diff --git a/module/actor.js b/module/actor.js
index 0e076007..2c0a7ec7 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -62,26 +62,23 @@ export class RdDActor extends Actor {
     }
   }
 
-  static remoteActorCall(data) {
-    if (Misc.isUniqueConnectedGM()) {
+  static remoteActorCall(data, canExecuteLocally = () => Misc.isUniqueConnectedGM()) {
+    if (canExecuteLocally()) {
       RdDActor.onRemoteActorCall(data);
+      return false;
     }
     else {
       game.socket.emit("system.foundryvtt-reve-de-dragon", { msg: "msg_remote_actor_call", data: data });
+      return true;
     }
   }
 
   static onRemoteActorCall(data) {
-    if (Misc.isUniqueConnectedGM()) { // Seul le joueur choisi effectue l'appel
-      const actor = game.actors.get(data?.actorId);
-      if (!actor) {
-        console.info("RdDActor.onRemoteActorCall: Pas d'Actor disponible ", data);
-      }
-      else {
-        const args = data.args;
-        console.info(`RdDActor.onRemoteActorCall: pour l'Actor ${data.actorId}, appel de RdDActor.${data.method}(`, ...args, ')');
-        actor[data.method](...args);
-      }
+    const actor = game.actors.get(data?.actorId);
+    if (Misc.isOwnerPlayerOrUniqueConnectedGM(actor)) { // Seul le joueur choisi effectue l'appel: le joueur courant si propriétaire de l'actor, ou le MJ sinon
+      const args = data.args;
+      console.info(`RdDActor.onRemoteActorCall: pour l'Actor ${data.actorId}, appel de RdDActor.${data.method}(`, ...args, ')');
+      actor[data.method](...args);
     }
   }
 
@@ -3668,7 +3665,10 @@ export class RdDActor extends Actor {
       return;
     }
     if (fromActorId && !game.user.isGM) {
-      RdDActor.remoteActorCall({ userId: Misc.connectedGMOrUser(), actorId: this.id, method: 'ajouterDeniers', args: [gain, fromActorId] });
+      RdDActor.remoteActorCall({
+        userId: Misc.connectedGMOrUser(),
+        actorId: this.id,
+        method: 'ajouterDeniers', args: [gain, fromActorId] });
     }
     else {
       const fromActor = game.actors.get(fromActorId)
@@ -3700,7 +3700,11 @@ export class RdDActor extends Actor {
       return;
     }
     if (!Misc.isUniqueConnectedGM()) {
-      RdDActor.remoteActorCall({ actorId: achat.vendeurId ?? achat.acheteurId, method: 'achatVente', args: [achat] });
+      RdDActor.remoteActorCall({
+        actorId: achat.vendeurId ?? achat.acheteurId,
+        method: 'achatVente',
+        args: [achat] },
+        );
       return;
     }
 
diff --git a/module/misc.js b/module/misc.js
index 3f8fa2a9..59fc080c 100644
--- a/module/misc.js
+++ b/module/misc.js
@@ -147,6 +147,14 @@ export class Misc {
     
   }
 
+  static isOwnerPlayer(actor, user=undefined) {
+    return actor.testUserPermission(user ?? game.user, CONST.DOCUMENT_PERMISSION_LEVELS.OWNER)
+  }
+
+  static  isOwnerPlayerOrUniqueConnectedGM(actor, user =undefined){
+    return Misc.isOwnerPlayer(actor, user) ?? Misc.isUniqueConnectedGM();
+  }
+
   /**
    * @returns true pour un seul utilisateur: le premier GM connecté par ordre d'id
    */
diff --git a/module/rdd-combat.js b/module/rdd-combat.js
index 0c354d1a..b350c398 100644
--- a/module/rdd-combat.js
+++ b/module/rdd-combat.js
@@ -544,16 +544,15 @@ export class RdDCombat {
 
   /* -------------------------------------------- */
   static onMsgEncaisser(data) {
-    if (Misc.isUniqueConnectedGM()) {
+    let defender = canvas.tokens.get(data.defenderTokenId).actor;
+    if (Misc.isOwnerPlayerOrUniqueConnectedGM()) {
       let attackerRoll = RdDCombat._getAttaque(data.attackerId); // Retrieve the rolldata from the store
       let attacker = data.attackerId ? game.actors.get(data.attackerId) : null;
-      let defender = canvas.tokens.get(data.defenderTokenId).actor;
 
       defender.encaisserDommages(attackerRoll, attacker);
       RdDCombat._deleteDefense(attackerRoll.passeArme);
       RdDCombat._deleteAttaque(data.attackerId);
     }
-
   }
 
   /* -------------------------------------------- */
@@ -917,11 +916,11 @@ export class RdDCombat {
       dmg: attackerRoll.dmg,
     };
 
-    if (!Misc.isUniqueConnectedGM()) {
-      this._socketSendMessageDefense(paramChatDefense, defenderRoll);
+    if (Misc.isUniqueConnectedGM()) {
+      await this._chatMessageDefense(paramChatDefense);
     }
     else {
-      await this._chatMessageDefense(paramChatDefense);
+      this._socketSendMessageDefense(paramChatDefense, defenderRoll);
     }
   }
 
@@ -1295,7 +1294,7 @@ export class RdDCombat {
       this._onEchecTotal(defenderRoll);
     }
 
-    if (Misc.isUniqueConnectedGM()) {
+    if (Misc.isOwnerPlayerOrUniqueConnectedGM(this.defender)) {
       attackerRoll.attackerId = this.attackerId;
       attackerRoll.defenderTokenId = defenderTokenId;