diff --git a/module/item.js b/module/item.js
index 5bf3e624..5c94099f 100644
--- a/module/item.js
+++ b/module/item.js
@@ -1,7 +1,7 @@
 import { Misc } from "./misc.js";
 import { RdDUtility } from "./rdd-utility.js";
 
-const typesObjetsEquipement = ["objet", "arme", "armure", "conteneur", "herbe", "ingredient", "livre", "potion", "munition", "nourritureboisson"];
+const typesObjetsEquipement = ["objet", "arme", "armure", "conteneur", "herbe", "ingredient", "livre", "potion", "munition", "nourritureboisson", "monnaie"];
 const typesObjetsOeuvres = ["oeuvre", "recettecuisine", "musique", "chant", "danse", "jeu"];
 /* -------------------------------------------- */
 export class RdDItem extends Item {
@@ -15,15 +15,19 @@ export class RdDItem extends Item {
   prepareDerivedData() {
     super.prepareDerivedData();
     const itemData = this.data;
-    const tplData = itemData.data;
     if (RdDItem.getTypeObjetsEquipement().includes(itemData.type)) {
-      const quantite = itemData.type == 'conteneur' ? 1 : (tplData.quantite ?? 0);
-      if (tplData.encombrement != undefined) {
-        tplData.encTotal = Math.max(tplData.encombrement, 0) * quantite;
-      }
-      if (tplData.cout != undefined) {
-        tplData.prixTotal = Math.max(tplData.cout, 0) * quantite;
-      }
+      this._calculsEquipement(itemData);
+    }
+  }
+  
+  _calculsEquipement(itemData) {
+    const tplData = itemData.data;
+    const quantite = itemData.type == 'conteneur' ? 1 : (tplData.quantite ?? 0);
+    if (tplData.encombrement != undefined) {
+      tplData.encTotal = Math.max(tplData.encombrement, 0) * quantite;
+    }
+    if (tplData.cout != undefined) {
+      tplData.prixTotal = Math.max(tplData.cout, 0) * quantite;
     }
   }