diff --git a/module/actor/base-actor.js b/module/actor/base-actor.js
index b62ac03d..5740b70f 100644
--- a/module/actor/base-actor.js
+++ b/module/actor/base-actor.js
@@ -310,7 +310,7 @@ export class RdDBaseActor extends Actor {
 
 
   async decrementerQuantiteItem(item, quantite, options = { supprimerSiZero: true }) {
-    if (itemVendu.isService()) {
+    if (item.isService()) {
       return;
     }
     let resteQuantite = (item.system.quantite ?? 1) - quantite;
diff --git a/module/actor/commerce.js b/module/actor/commerce.js
index 0288dd99..fffc6535 100644
--- a/module/actor/commerce.js
+++ b/module/actor/commerce.js
@@ -39,11 +39,11 @@ export class RdDCommerce extends RdDBaseActor {
     // ne pas consommer pour un commerce
   }
 
-  async decrementerQuantiteItem(itemVendu, quantite) {
+  async decrementerQuantiteItem(item, quantite) {
     if (this.system.illimite) {
       return;
     }
-    await super.decrementerQuantiteItem(itemVendu, quantite, { supprimerSiZero: false });
+    await super.decrementerQuantiteItem(item, quantite, { supprimerSiZero: false });
   }
 
   calculerPrix(item) {
diff --git a/system.json b/system.json
index c13e5c5b..1422c70e 100644
--- a/system.json
+++ b/system.json
@@ -1,8 +1,8 @@
 {
   "id": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
-  "version": "10.4.8",
-  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.4.8.zip",
+  "version": "10.4.9",
+  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.4.9.zip",
   "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/raw/v10/system.json",
   "compatibility": {
     "minimum": "10",
diff --git a/templates/actor/commerce-inventaire-item.html b/templates/actor/commerce-inventaire-item.html
index 831e7440..5190fbeb 100644
--- a/templates/actor/commerce-inventaire-item.html
+++ b/templates/actor/commerce-inventaire-item.html
@@ -20,7 +20,7 @@
       <a class="item-quantite-moins"><i class="fas fa-minus-square"></i></a>
       {{/if}}
       <input {{#unless options.isOwner}}disabled{{/unless}} type="number" data-dtype="Number" 
-        class="item-quantite" name="items[{{key}}].system.quantite"
+        class="item-quantite" name="items[{{item._id}}].system.quantite"
         value="{{item.system.quantite}}" />
       {{#if options.isOwner}}
       <a class="item-quantite-plus"><i class="fas fa-plus-square"></i></a>
@@ -31,7 +31,7 @@
   <span class="equipement-detail">
     {{#unless (and (eq item.type 'conteneur') (not vide))}}
     <input {{#unless options.isOwner}}disabled{{/unless}} type="number" data-dtype="Number" 
-      class="input-prix number-x3 item-cout" name="items[{{key}}].system.cout"
+      class="input-prix number-x3 item-cout" name="items[{{item._id}}].system.cout"
       {{#if options.isObserver}}
       value="{{numberFormat item.system.cout decimals=2 sign=false}}"
       {{else}}