diff --git a/module/actor.js b/module/actor.js
index 99b61dd3..1259a94e 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -3070,6 +3070,18 @@ export class RdDActor extends RdDBaseActor {
     this.currentTMR.render(true);
   }
 
+  /* -------------------------------------------- */
+  getArmeCompetence(arme) {
+    let comp = arme.system.competence
+    if (!comp || comp.name == "") {
+      comp = arme.system.lancer
+    }
+    if ( !comp || comp.name == "") {
+      comp = arme.system.tir
+    }
+    return comp
+  }
+
   /* -------------------------------------------- */
   rollArme(arme) {
     if (!Targets.hasTargets()) {
@@ -3081,19 +3093,20 @@ export class RdDActor extends RdDBaseActor {
         title: 'Ne pas utiliser les automatisation de combat',
         buttonLabel: "Pas d'automatisation",
         onAction: async () => {
-          this.rollCompetence(arme.system.competence, { tryTarget: false })
+          this.rollCompetence(this.getArmeCompetence(arme), { tryTarget: false })
         }
       });
       return;
     }
+
     Targets.selectOneToken(target => {
       if (Targets.isTargetEntite(target)) {
         ui.notifications.warn(`Vous ne pouvez pas attaquer une entité non incarnée avec votre ${arme.name}!!!!`);
         return;
       }
 
-
-      const competence = this.getCompetence(arme.system.competence)
+      const competence = this.getCompetence(this.getArmeCompetence(arme))
+      console.log("RollArme", competence, arme)
       if (competence.isCompetencePossession()) {
         return RdDPossession.onAttaquePossession(target, this, competence);
       }
diff --git a/system.json b/system.json
index d47a2ce3..0a615b86 100644
--- a/system.json
+++ b/system.json
@@ -1,8 +1,8 @@
 {
   "id": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
-  "version": "11.0.17",
-  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-11.0.17.zip",
+  "version": "11.0.18",
+  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-11.0.18.zip",
   "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/raw/v11/system.json",
   "changelog": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/raw/branch/v11/changelog.md",
   "compatibility": {