diff --git a/module/actor.js b/module/actor.js
index 1b0a41e1..2381485c 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -2919,6 +2919,11 @@ export class RdDActor extends Actor {
 
   /* -------------------------------------------- */
   async displayTMR(mode = "normal") {
+    if ( this.currentTMR != undefined && !this.currentTMR.isClosed) {
+      ui.notifications.warn("Vous êtes déja dans les Terres Médianes !");
+      return;
+    }
+    
     let isRapide = mode == "rapide";
     if (mode != "visu") {
       let minReveValue = (isRapide && !EffetsDraconiques.isDeplacementAccelere(this) ? 3 : 2) + this.countMonteeLaborieuse();
diff --git a/module/rdd-tmr-dialog.js b/module/rdd-tmr-dialog.js
index f761d3a4..d5646460 100644
--- a/module/rdd-tmr-dialog.js
+++ b/module/rdd-tmr-dialog.js
@@ -277,6 +277,7 @@ export class RdDTMRDialog extends Dialog {
     if (!this.viewOnly) {
       this._tellToGM(this.actor.name + " a quitté les terres médianes");
     }
+    ths.isClosed = true;
   }
 
   /* -------------------------------------------- */
diff --git a/system.json b/system.json
index abdd9c7e..abff3cd8 100644
--- a/system.json
+++ b/system.json
@@ -2,7 +2,7 @@
   "name": "foundryvtt-reve-de-dragon",
   "title": "Rêve de Dragon",
   "description": "Rêve de Dragon RPG for FoundryVTT",
-  "version": "1.4.6",
+  "version": "1.4.7",
   "manifestPlusVersion": "1.0.0",
   "minimumCoreVersion": "0.8.0",
   "compatibleCoreVersion": "0.8.5",