diff --git a/src/app/utils/JournalUtils.js b/src/app/utils/JournalUtils.js
index e9094544..e3daaf3c 100644
--- a/src/app/utils/JournalUtils.js
+++ b/src/app/utils/JournalUtils.js
@@ -281,6 +281,9 @@ function _addModifications(module, modifiers, blueprint, grade, specialModificat
     if (modifiers[i].Label.search('Resistance') >= 0) {
       value = (modifiers[i].Value * 100) - (modifiers[i].OriginalValue * 100);
     }
+    if (modifiers[i].Label.search('ShieldMultiplier') >= 0) {
+      value = ((100 + modifiers[i].Value) / (100 + modifiers[i].OriginalValue) * 100 - 100)  * 100;
+    }
 
     // Carry out the required changes
     for (const action in modifierActions) {