diff --git a/module/item.js b/module/item.js
index e20021ab..2f74d075 100644
--- a/module/item.js
+++ b/module/item.js
@@ -151,7 +151,7 @@ export class RdDItem extends Item {
     if (tplData.quantite == undefined) return false;
 
     for (const [key, value] of Object.entries(tplData)) {
-      if (['quantite', 'encTotal', 'prixTotal'].includes(key)) continue;
+      if (['quantite', 'encTotal', 'prixTotal', 'cout'].includes(key)) continue;
       if (value != otherTplData[key]) return false;
     }
     return true;