diff --git a/module/item-competencecreature.js b/module/item-competencecreature.js
index e6140035..ca2dc607 100644
--- a/module/item-competencecreature.js
+++ b/module/item-competencecreature.js
@@ -5,8 +5,8 @@ export class RdDItemCompetenceCreature extends Item {
 
   /* -------------------------------------------- */
   static setRollDataCreature(rollData) {
+    rollData.competence = Misc.data(rollData.competence);
     rollData.carac = { "carac_creature": { label: rollData.competence.name, value: rollData.competence.data.carac_value } };
-    rollData.competence = duplicate(rollData.competence);
     rollData.competence.data.defaut_carac = "carac_creature";
     rollData.competence.data.categorie = "creature";
     rollData.selectedCarac = rollData.carac.carac_creature;