diff --git a/src/app/components/Slot.jsx b/src/app/components/Slot.jsx
index eee7f2d4..3c655b50 100644
--- a/src/app/components/Slot.jsx
+++ b/src/app/components/Slot.jsx
@@ -166,7 +166,7 @@ export default class Slot extends TranslatedComponent {
    */
   _getMaxClassLabel() {
     const { m } = this.props;
-    let size = m.getSize();
+    let size = m.getSizeNum();
     switch (true) {
       case m.getSlot() === 'armour':
         return '';
diff --git a/src/app/pages/ShipyardPage.jsx b/src/app/pages/ShipyardPage.jsx
index 8d35de45..cd165ca8 100644
--- a/src/app/pages/ShipyardPage.jsx
+++ b/src/app/pages/ShipyardPage.jsx
@@ -52,13 +52,13 @@ function shipSummary(shipId) {
 
   // Count Hardpoints by class
   ship.getHardpoints(undefined, true).forEach(hardpoint => {
-    summary.hp[hardpoint.getSize()]++;
+    summary.hp[hardpoint.getSizeNum()]++;
     summary.hpCount++;
   });
   // Count Internal Compartments by class
   let maxCargo = 0, maxPassengers = 0;
   ship.getInternals(undefined, true).forEach(internal => {
-    const size = String(internal.getSize());
+    const size = String(internal.getSizeNum());
     summary.int[size]++;
     summary.intCount++;