diff --git a/module/rdd-calendrier.js b/module/rdd-calendrier.js
index 97273133..52c6f7ca 100644
--- a/module/rdd-calendrier.js
+++ b/module/rdd-calendrier.js
@@ -167,12 +167,17 @@ export class RdDCalendrier extends Application {
     });
   }
 
-  /* -------------------------------------------- */
+  /* -------------------------------------------- */  
   getNombreAstral(indexDate) {
-    let liste = this.listeNombreAstral ?? this._loadListNombreAstral();
-    if ( typeof(liste) != 'Array' || liste.length == 0 ) {
-      this.rebuildListeNombreAstral();
-      liste = this.listeNombreAstral;
+    if ( this.listeNombreAstral == undefined  ) {
+      this.listeNombreAstral = this._loadListNombreAstral();
+    }
+    let liste = this.listeNombreAstral;
+    if ( game.user.isGM ) {
+      if ( typeof(liste) != 'Array' || liste.length == 0 ) {
+        this.rebuildListeNombreAstral();
+        liste = this.listeNombreAstral;
+      }
     }
     let astralData = liste.find((nombreAstral, i) => nombreAstral.index == indexDate);
     return astralData?.nombreAstral;
diff --git a/system.json b/system.json
index 97d76fe6..c2e1b1ff 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": "1.4.25",
+  "version": "1.4.26",
   "manifestPlusVersion": "1.0.0",
   "minimumCoreVersion": "0.8.0",
   "compatibleCoreVersion": "0.8.99",