diff --git a/src/app/components/HardpointSlot.jsx b/src/app/components/HardpointSlot.jsx
index 18436ec1..18f35d36 100644
--- a/src/app/components/HardpointSlot.jsx
+++ b/src/app/components/HardpointSlot.jsx
@@ -56,14 +56,14 @@ export default class HardpointSlot extends Slot {
           <div className={'r'}>{m.getMass()}{u.T}</div>
         </div>
         <div className={'cb'}>
-          { m.dps ? <div className={'l'}>{translate('DPS')}: {formats.round1(m.dps)} { m.clip ? <span>({formats.round1((m.clip * m.dps / m.rof) / ((m.clip / m.rof) + m.reload)) })</span> : null }</div> : null }
-          { m.eps ? <div className={'l'}>{translate('EPS')}: {formats.round1(m.eps)}{u.MW} { m.clip ? <span>({formats.round1((m.clip * m.eps / m.rof) / ((m.clip / m.rof) + m.reload)) }{u.MW})</span> : null }</div> : null }
-          { m.hps ? <div className={'l'}>{translate('HPS')}: {formats.round1(m.hps)} { m.clip ? <span>({formats.round1((m.clip * m.hps / m.rof) / ((m.clip / m.rof) + m.reload)) })</span> : null }</div> : null }
-          { m.dps && m.eps ? <div className={'l'}>{translate('DPE')}: {formats.round1(m.dps / m.eps)}</div> : null }
-          { m.rof ? <div className={'l'}>{translate('ROF')}: {m.rof}{u.ps}</div> : null }
-          { m.range && !m.dps ? <div className={'l'}>{translate('Range')} : {formats.round(m.range / 1000)}{u.km}</div> : null }
-          { m.shieldmul ? <div className={'l'}>+{formats.rPct(m.shieldmul)}</div> : null }
-          { m.ammo >= 0 ? <div className={'l'}>{translate('ammo')}: {formats.int(m.clip)}/{formats.int(m.ammo)}</div> : null }
+          { m.getDps() ? <div className={'l'}>{translate('DPS')}: {formats.round1(m.getDps())} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getDps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) })</span> : null }</div> : null }
+          { m.getEps() ? <div className={'l'}>{translate('EPS')}: {formats.round1(m.getEps())}{u.MW} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getEps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) }{u.MW})</span> : null }</div> : null }
+          { m.getHps() ? <div className={'l'}>{translate('HPS')}: {formats.round1(m.getHps())} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getHps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) })</span> : null }</div> : null }
+          { m.getDps() && m.getEps() ? <div className={'l'}>{translate('DPE')}: {formats.round1(m.getDps() / m.getEps())}</div> : null }
+          { m.getRoF() ? <div className={'l'}>{translate('ROF')}: {m.getRoF()}{u.ps}</div> : null }
+          { m.getRange() && !m.getDps() ? <div className={'l'}>{translate('Range')} : {formats.round(m.getRange() / 1000)}{u.km}</div> : null }
+          { m.getShieldMul() ? <div className={'l'}>+{formats.rPct(m.getShieldMul())}</div> : null }
+          { m.getAmmo() ? <div className={'l'}>{translate('ammunition')}: {formats.int(m.getClip())}/{formats.int(m.getAmmo())}</div> : null }
           { m && validMods.length > 0 ? <div className='r' ><button onClick={this._toggleModifications.bind(this)} onContextMenu={stopCtxPropagation} onMouseOver={termtip.bind(null, 'modifications')} onMouseOut={tooltip.bind(null, null)}><ListModifications /></button></div> : null }
         </div>
       </div>;
diff --git a/src/app/components/HardpointsSlotSection.jsx b/src/app/components/HardpointsSlotSection.jsx
index 3c51b3f2..378300ee 100644
--- a/src/app/components/HardpointsSlotSection.jsx
+++ b/src/app/components/HardpointsSlotSection.jsx
@@ -69,6 +69,7 @@ export default class HardpointsSlotSection extends SlotSection {
           availableModules={() => availableModules.getHps(h.maxClass)}
           onOpen={this._openMenu.bind(this, h)}
           onSelect={this._selectModule.bind(this, h)}
+          onChange={this.props.onChange}
           selected={currentMenu == h}
           drag={this._drag.bind(this, h)}
           dragOver={this._dragOverSlot.bind(this, h)}
diff --git a/src/app/components/InternalSlot.jsx b/src/app/components/InternalSlot.jsx
index 84fbc1c5..19b5b0c2 100644
--- a/src/app/components/InternalSlot.jsx
+++ b/src/app/components/InternalSlot.jsx
@@ -30,16 +30,16 @@ export default class InternalSlot extends Slot {
           <div className={'r'}>{m.getMass() || m.cargo || m.fuel || 0}{u.T}</div>
         </div>
         <div className={'cb'}>
-          { m.optmass ? <div className={'l'}>{translate('optimal mass')}: {m.optmass}{u.T}</div> : null }
-          { m.maxmass ? <div className={'l'}>{translate('max mass')}: {m.maxmass}{u.T}</div> : null }
+          { m.getOptMass() ? <div className={'l'}>{translate('optimal mass')}: {m.getOptMass()}{u.T}</div> : null }
+          { m.getMaxMass() ? <div className={'l'}>{translate('max mass')}: {m.getMaxMass()}{u.T}</div> : null }
           { m.bins ? <div className={'l'}>{m.bins} <u>{translate('bins')}</u></div> : null }
           { m.bays ? <div className={'l'}>{translate('bays')}: {m.bays}</div> : null }
           { m.rate ? <div className={'l'}>{translate('rate')}: {m.rate}{u.kgs}&nbsp;&nbsp;&nbsp;{translate('refuel time')}: {formats.time(this.props.fuel * 1000 / m.rate)}</div> : null }
-          { m.ammo ? <div className={'l'}>{translate('ammo')}: {formats.gen(m.ammo)}</div> : null }
+          { m.getAmmo() ? <div className={'l'}>{translate('ammunition')}: {formats.gen(m.getAmmo())}</div> : null }
           { m.cells ? <div className={'l'}>{translate('cells')}: {m.cells}</div> : null }
           { m.recharge ? <div className={'l'}>{translate('recharge')}: {m.recharge} <u>MJ</u>&nbsp;&nbsp;&nbsp;{translate('total')}: {m.cells * m.recharge}{u.MJ}</div> : null }
           { m.repair ? <div className={'l'}>{translate('repair')}: {m.repair}</div> : null }
-          { m.range ? <div className={'l'}>{translate('range')} {m.range}{u.km}</div> : null }
+          { m.getRange() ? <div className={'l'}>{translate('range')} {m.getRange()}{u.km}</div> : null }
           { m.time ? <div className={'l'}>{translate('time')}: {formats.time(m.time)}</div> : null }
           { m.maximum ? <div className={'l'}>{translate('max')}: {(m.maximum)}</div> : null }
           { m.rangeLS ? <div className={'l'}>{translate('range')}: {m.rangeLS}{u.Ls}</div> : null }
diff --git a/src/app/components/InternalSlotSection.jsx b/src/app/components/InternalSlotSection.jsx
index 66beab58..90e2ca73 100644
--- a/src/app/components/InternalSlotSection.jsx
+++ b/src/app/components/InternalSlotSection.jsx
@@ -114,6 +114,7 @@ export default class InternalSlotSection extends SlotSection {
         onSelect={this._selectModule.bind(this, s)}
         selected={currentMenu == s}
         enabled={s.enabled}
+        eligible={s.eligible}
         m={s.m}
         drag={this._drag.bind(this, s)}
         dragOver={this._dragOverSlot.bind(this, s)}
diff --git a/src/app/components/ModificationsMenu.jsx b/src/app/components/ModificationsMenu.jsx
index c844f253..9be631ac 100644
--- a/src/app/components/ModificationsMenu.jsx
+++ b/src/app/components/ModificationsMenu.jsx
@@ -41,15 +41,18 @@ export default class ModificationsMenu extends TranslatedComponent {
     let formats = context.language.formats;
     let { m  } = props;
     let list = [];
+    let values = {};
 
     for (let modName of Modifications.validity[m.grp]) {
+      values[modName] = m.getModValue(modName) * 100;
       list.push(<div className={'cb'} key={modName}>
 		  <div className={'cb'}>{translate(modName)}{' (%)'}</div>
-		  <NumberEditor className={'cb'} style={{ width: '100%', textAlign: 'center' }} step={0.01} stepModifier={1} decimals={2} initialValue={m.getModValue(modName) ? m.getModValue(modName) * 100 : 0} value={m.getModValue(modName) ? m.getModValue(modName) * 100 : 0} onValueChange={this._updateValue.bind(this, modName)} />
+		  <NumberEditor className={'cb'} style={{ width: '100%', textAlign: 'center' }} step={0.01} stepModifier={1} decimals={2} value={this._getValue(modName, values[modName])} onValueChange={this._updateValue.bind(this, modName)} />
                 </div>);
     }
+		  //<NumberEditor className={'cb'} style={{ width: '100%', textAlign: 'center' }} step={0.01} stepModifier={1} decimals={2} initialValue={m.getModValue(modName) ? m.getModValue(modName) * 100 : 0} value={m.getModValue(modName) ? m.getModValue(modName) * 100 : 0} onValueChange={this._updateValue.bind(this, modName)} />
 
-    return { list };
+    return { list, values };
   }
 
   /**
@@ -61,19 +64,30 @@ export default class ModificationsMenu extends TranslatedComponent {
     this.setState(this._initState(nextProps, nextContext));
   }
 
+  _getValue(name, defaultValue) {
+    let values = this.state ? this.state.values : null;
+    return values ? values[name] : defaultValue;
+  }
+
   /**
    * Update modification given a value.
    * @param {Number} name The name of the modification
    * @param {Number} value The value to set, in the range [0,1]
    */
   _updateValue(name, value) {
-    let scaledValue = Math.floor(value * 100) / 10000;
 
-    let m = this.props.m;
-    let ship = this.props.ship;
+    let values = this.state.values;
+    values[name] = value;
 
-    ship.setModification(m, name, scaledValue);
+    // Only update the modification if this is a valid number
+    if (!isNaN(Number(value)) && !value.endsWith('.')) {
+      let scaledValue = Math.floor(Number(value) * 100) / 10000;
+      let m = this.props.m;
+      let ship = this.props.ship;
+      ship.setModification(m, name, scaledValue);
+    }
     this.props.onChange();
+    this.setState({values});
   }
 
   /**
diff --git a/src/app/components/Slot.jsx b/src/app/components/Slot.jsx
index 6310ac15..7df6808a 100644
--- a/src/app/components/Slot.jsx
+++ b/src/app/components/Slot.jsx
@@ -22,6 +22,7 @@ export default class Slot extends TranslatedComponent {
     selected: React.PropTypes.bool,
     m: React.PropTypes.object,
     ship: React.PropTypes.object.isRequired,
+    eligible: React.PropTypes.object,
     warning: React.PropTypes.func,
     drag: React.PropTypes.func,
     drop: React.PropTypes.func,
@@ -80,7 +81,7 @@ export default class Slot extends TranslatedComponent {
     let language = this.context.language;
     let { termtip, tooltip } = this.context;
     let translate = language.translate;
-    let { ship, m, dropClass, dragOver, onOpen, onChange, selected, onSelect, warning, shipMass, availableModules } = this.props;
+    let { ship, m, dropClass, dragOver, onOpen, onChange, selected, eligible, onSelect, warning, shipMass, availableModules } = this.props;
     let slotDetails, menu;
     let validMods = m == null ? [] : (Modifications.validity[m.grp] || []);
 
@@ -92,7 +93,7 @@ export default class Slot extends TranslatedComponent {
     if (m) {
       slotDetails = this._getSlotDetails(m, translate, language.formats, language.units);  // Must be implemented by sub classes
     } else {
-      slotDetails = <div className={'empty'}>{translate('empty')}</div>;
+      slotDetails = <div className={'empty'}>{translate(eligible ? 'emptyrestricted' : 'empty')}</div>;
     }
 
     if (selected) {
diff --git a/src/app/components/StandardSlot.jsx b/src/app/components/StandardSlot.jsx
index 49ae73fd..83492b90 100644
--- a/src/app/components/StandardSlot.jsx
+++ b/src/app/components/StandardSlot.jsx
@@ -75,20 +75,20 @@ export default class StandardSlot extends TranslatedComponent {
           <div className={'sz'}>{slot.maxClass}</div>
           <div>
             <div className='l'>{classRating} {translate(m.grp == 'bh' ? m.grp : m.name || m.grp)}</div>
-            <div className={'r'}>{formats.round1(m.getMass()) || m.fuel || 0}{units.T}</div>
+            <div className={'r'}>{formats.round(m.getMass()) || m.fuel || 0}{units.T}</div>
 	    <div/>
             <div className={'cb'}>
                 { m.grp == 'bh' && m.name ? <div className='l'>{translate(m.name)}</div> : null }
-                { m.getOptimalMass() ? <div className='l'>{translate('optimal mass')}: {m.getOptimalMass()}{units.T}</div> : null }
-                { m.getMaxMass() ? <div className='l'>{translate('max mass')}: {m.getMaxMass()}{units.T}</div> : null }
-                { m.getRange() ? <div className='l'>{translate('range')}: {m.getRange()}{units.km}</div> : null }
+                { m.getOptimalMass() ? <div className='l'>{translate('optimal mass')}: {formats.round(m.getOptimalMass())}{units.T}</div> : null }
+                { m.getMaxMass() ? <div className='l'>{translate('max mass')}: {formats.round(m.getMaxMass())}{units.T}</div> : null }
+                { m.getRange() ? <div className='l'>{translate('range')}: {formats.round(m.getRange())}{units.km}</div> : null }
                 { m.time ? <div className='l'>{translate('time')}: {formats.time(m.time)}</div> : null }
-                { m.getThermalEfficiency() ? <div className='l'>{translate('efficiency')}: {m.getThermalEfficiency()}</div> : null }
+                { m.getThermalEfficiency() ? <div className='l'>{translate('efficiency')}: {formats.round(m.getThermalEfficiency())}</div> : null }
                 { m.getPowerGeneration() > 0 ? <div className='l'>{translate('pGen')}: {formats.round(m.getPowerGeneration())}{units.MW}</div> : null }
-                { m.getMaxFuelPerJump() ? <div className='l'>{translate('max')} {translate('fuel')}: {m.getMaxFuelPerJump()}{units.T}</div> : null }
-                { m.getWeaponsCapacity() ? <div className='l'>{translate('WEP')}: {m.getWeaponsCapacity()}{units.MJ} / {m.getWeaponsRechargeRate()}{units.MW}</div> : null }
-                { m.getSystemsCapacity() ? <div className='l'>{translate('SYS')}: {m.getSystemsCapacity()}{units.MJ} / {m.getSystemsRechargeRate()}{units.MW}</div> : null }
-                { m.getEnginesCapacity() ? <div className='l'>{translate('ENG')}: {m.getEnginesCapacity()}{units.MJ} / {m.getEnginesRechargeRate()}{units.MW}</div> : null }
+                { m.getMaxFuelPerJump() ? <div className='l'>{translate('max')} {translate('fuel')}: {formats.round(m.getMaxFuelPerJump())}{units.T}</div> : null }
+                { m.getWeaponsCapacity() ? <div className='l'>{translate('WEP')}: {formats.round(m.getWeaponsCapacity())}{units.MJ} / {formats.round(m.getWeaponsRechargeRate())}{units.MW}</div> : null }
+                { m.getSystemsCapacity() ? <div className='l'>{translate('SYS')}: {formats.round(m.getSystemsCapacity())}{units.MJ} / {formats.round(m.getSystemsRechargeRate())}{units.MW}</div> : null }
+                { m.getEnginesCapacity() ? <div className='l'>{translate('ENG')}: {formats.round(m.getEnginesCapacity())}{units.MJ} / {formats.round(m.getEnginesRechargeRate())}{units.MW}</div> : null }
 
 	        { validMods.length > 0 ? <div className='r' ><button onClick={this._toggleModifications.bind(this)} onContextMenu={stopCtxPropagation} onMouseOver={termtip.bind(null, 'modifications')} onMouseOut={tooltip.bind(null, null)}><ListModifications /></button></div> : null }
             </div>
diff --git a/src/app/components/UtilitySlotSection.jsx b/src/app/components/UtilitySlotSection.jsx
index 0e922f83..7741a2c4 100644
--- a/src/app/components/UtilitySlotSection.jsx
+++ b/src/app/components/UtilitySlotSection.jsx
@@ -68,6 +68,7 @@ export default class UtilitySlotSection extends SlotSection {
           availableModules={() => availableModules.getHps(h.maxClass)}
           onOpen={this._openMenu.bind(this,h)}
           onSelect={this._selectModule.bind(this, h)}
+          onChange={this.props.onChange}
           selected={currentMenu == h}
           drag={this._drag.bind(this, h)}
           dragOver={this._dragOverSlot.bind(this, h)}
diff --git a/src/app/i18n/en.js b/src/app/i18n/en.js
index ce8a535f..1c9a7de6 100644
--- a/src/app/i18n/en.js
+++ b/src/app/i18n/en.js
@@ -80,41 +80,48 @@ export const terms = {
   ul: 'Burst Laser',
   ws: 'Frame Shift Wake Scanner',
 
+  // Items on the outfitting page
+  // Notification of restricted slot for Orca/Beluga
+  emptyrestricted: 'empty (restricted)',
+  // 'ammo' was overloaded for outfitting page and modul info, so changed to ammunition for outfitting page
+  ammunition: 'Ammo',
+
   // Modifications
-  mass: 'Mass',
-  integrity: 'Integrity',
-  pGen: 'Power generation',
+  ammo: 'Ammunition maximum',
+  armourpen: 'Armour penetration',
+  boot: 'Boot time',
+  brokenregen: 'Broken regeneration rate',
+  burst: 'Burst',
+  clip: 'Ammunition clip',
+  damage: 'Damage',
+  delay: 'Delay',
+  dps: 'Damage per second',
+  distdraw: 'Distributor draw',
+  duration: 'Duration',
   eff: 'Efficiency',
-  power: 'Power draw',
+  engcap: 'Engines capacity',
+  engrate: 'Engines recharge rate',
+  eps: 'Energy per second',
+  explres: 'Explosive resistance',
+  integrity: 'Integrity',
+  jitter: 'Jitter',
+  kinres: 'Kinetic resistance',
+  maxfuel: 'Maximum fuel per jump',
+  mass: 'Mass',
   optmass: 'Optimal mass',
   optmul: 'Optimal multiplier',
-  dps: 'Damage per second',
-  eps: 'Energy per second',
-  thermload: 'Thermal load',
-  boot: 'Boot time',
-  maxfuel: 'Maximum fuel per jump',
-  syscap: 'Systems capacity',
-  engcap: 'Engines capacity',
-  wepcap: 'Weapons capacity',
-  sysrate: 'Systems recharge rate',
-  engrate: 'Engines recharge rate',
-  weprate: 'Weapons recharge rate',
-  kinres: 'Kinetic resistance',
-  thermres: 'Thermal resistance',
-  explres: 'Explosive resistance',
-  regen: 'Regeneration rate',
-  brokenregen: 'Broken regeneration rate',
-  delay: 'Delay',
-  duration: 'Duration',
-  shield: 'Shield',
-  shieldboost: 'Shield boost',
-  distdraw: 'Distributor draw',
-  damage: 'Damage',
-  armourpen: 'Armour penetration',
+  pGen: 'Power generation',
+  power: 'Power draw',
   range: 'Range',
+  regen: 'Regeneration rate',
+  reload: 'Reload time',
   rof: 'Rate of fire',
-  clip: 'Ammunition clip',
-  ammo: 'Ammunition maximum',
-  jitter: 'Jitter',
-  reload: 'Reload time'
+  shield: 'Shield',
+  shieldmul: 'Shield boost',
+  syscap: 'Systems capacity',
+  sysrate: 'Systems recharge rate',
+  thermload: 'Thermal load',
+  thermres: 'Thermal resistance',
+  wepcap: 'Weapons capacity',
+  weprate: 'Weapons recharge rate',
 };
diff --git a/src/app/shipyard/Calculations.js b/src/app/shipyard/Calculations.js
index 6fa9c88d..21d818d6 100644
--- a/src/app/shipyard/Calculations.js
+++ b/src/app/shipyard/Calculations.js
@@ -60,11 +60,8 @@ export function shieldStrength(mass, baseShield, sg, multiplier) {
   let exponent = Math.log((optMul - minMul) / (maxMul - minMul)) / Math.log(Math.min(1, (maxMass - optMass) / (maxMass - minMass)))
   let ynorm = Math.pow(xnorm, exponent);
   let mul = minMul + ynorm * (maxMul - minMul);
-  let strength = baseShield * mul;
 
-  // TODO handle multiplier
-
-  return strength;
+  return baseShield * mul * multiplier;
 }
 
 /**
diff --git a/src/app/shipyard/Module.js b/src/app/shipyard/Module.js
index efae87ca..c4eccac6 100755
--- a/src/app/shipyard/Module.js
+++ b/src/app/shipyard/Module.js
@@ -32,7 +32,7 @@ export default class Module {
    * @return {Number}      The value of the modification, as a decimal value from -1 to 1
    */
   getModValue(name) {
-    return this.mods ? this.mods[name] / 10000 : null;
+    return this.mods  && this.mods[name] ? this.mods[name] / 10000 : null;
   }
 
   /**
@@ -390,4 +390,72 @@ export default class Module {
     }
     return result;
   }
+
+  /**
+   * Get the shield multiplier for this module, taking in to account modifications
+   * @return {Number} the shield multiplier of this module
+   */
+  getShieldMul() {
+    return this._getModifiedValue('shieldmul');
+  }
+
+
+  /**
+   * Get the DPS for this module, taking in to account modifications
+   * @return {Number} the DPS of this module
+   */
+  getDps() {
+    // TODO this is not correct; need to include other factors such as rate of fire, damage, etc.
+    return this._getModifiedValue('dps');
+  }
+
+  /**
+   * Get the heat generated per second for this module, taking in to account modifications
+   * @return {Number} the heat generated per second of this module
+   */
+  getHps() {
+    // TODO this is not correct; need to include other factors such as rate of fire, damage, etc.
+    return this._getModifiedValue('hps');
+  }
+
+  /**
+   * Get the energy used per second for this module, taking in to account modifications
+   * @return {Number} the energy used per second of this module
+   */
+  getEps() {
+    // TODO this is not correct; need to include other factors such as rate of fire, damage, etc.
+    return this._getModifiedValue('eps');
+  }
+
+  /**
+   * Get the clip size for this module, taking in to account modifications
+   * @return {Number} the clip size of this module
+   */
+  getClip() {
+    return this._getModifiedValue('clip');
+  }
+
+  /**
+   * Get the ammo size for this module, taking in to account modifications
+   * @return {Number} the ammo size of this module
+   */
+  getAmmo() {
+    return this._getModifiedValue('ammo');
+  }
+
+  /**
+   * Get the reload time for this module, taking in to account modifications
+   * @return {Number} the reload time of this module
+   */
+  getReload() {
+    return this._getModifiedValue('reload');
+  }
+
+  /**
+   * Get the rate of fire for this module, taking in to account modifications
+   * @return {Number} the rate of fire for this module
+   */
+  getRoF() {
+    return this._getModifiedValue('rof');
+  }
 }
diff --git a/src/app/shipyard/ModuleSet.js b/src/app/shipyard/ModuleSet.js
index b3ddf314..9fa480ee 100755
--- a/src/app/shipyard/ModuleSet.js
+++ b/src/app/shipyard/ModuleSet.js
@@ -126,7 +126,7 @@ export default class ModuleSet {
     let pd = this.standard[4][0];
 
     for (let p of this.standard[4]) {
-      if (p.mass < pd.mass && p.getEnginesCapacity() >= boostEnergy) {
+      if (p.mass < pd.mass && p.engcap >= boostEnergy) {
         pd = p;
       }
     }
diff --git a/src/app/shipyard/Ship.js b/src/app/shipyard/Ship.js
index 09085b9a..6d1720dd 100755
--- a/src/app/shipyard/Ship.js
+++ b/src/app/shipyard/Ship.js
@@ -441,6 +441,9 @@ export default class Ship {
       // Could be for either thrusters or FSD
       this.updateTopSpeed();
       this.updateJumpStats();
+    } else if (name == 'shieldmul') {
+      m.setModValue(name, value);
+      this.updateShieldStrength();
     } else {
       // Generic
       m.setModValue(name, value);
@@ -686,7 +689,7 @@ export default class Ship {
         if (ModuleUtils.isShieldGenerator(slot.m.grp)) {
           this.updateShieldStrength();
         } else if (slot.m.grp == 'sb') {
-          this.shieldMultiplier += slot.m.shieldmul * (enabled ? 1 : -1);
+          this.shieldMultiplier += slot.m.getShieldMul() * (enabled ? 1 : -1);
           this.updateShieldStrength();
         }
         if (slot.m.dps) {
@@ -752,7 +755,7 @@ export default class Ship {
           this.armourAdded -= old.armouradd;
           break;
         case 'sb':
-          this.shieldMultiplier -= slot.enabled ? old.shieldmul : 0;
+          this.shieldMultiplier -= slot.enabled ? old.getShieldMul() : 0;
           break;
       }
 
@@ -794,7 +797,7 @@ export default class Ship {
           this.armourAdded += n.armouradd;
           break;
         case 'sb':
-          this.shieldMultiplier += slot.enabled ? n.shieldmul : 0;
+          this.shieldMultiplier += slot.enabled ? n.getShieldMul() : 0;
           break;
       }