diff --git a/module/actor.js b/module/actor.js
index c62e0a69..585a47cf 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -1133,7 +1133,7 @@ export class RdDActor extends Actor {
       action: r => this._appliquerAjoutExperience(r)
     };
   }
-  
+
   /* -------------------------------------------- */  
   async _appliquerAjoutExperience(rollData) { 
     let xpResult = this.appliquerExperience( rollData.rolled, rollData.selectedCarac.label, (rollData.competence) ? rollData.competence.data.name: undefined );
@@ -1389,6 +1389,7 @@ export class RdDActor extends Actor {
         label: 'Jet de Tâche ' + tache.name,
         callbacks: [
           this.createCallbackExperience(),
+          { condition: r=> r.rolled.isETotal, action: r => this._tacheETotal(r)},
           { action: r => this._tacheResult(r) }
         ]
       } );
@@ -1418,6 +1419,11 @@ export class RdDActor extends Actor {
     }, this.name);
   }
 
+  _tacheETotal(rollData) {
+    rollData.tache.data.difficulte --;
+    this.updateEmbeddedEntity( "OwnedItem", rollData.tache);
+  }
+
   /* -------------------------------------------- */
   _competenceResult(rollData) {
     ChatUtility.chatWithRollMode({