diff --git a/module/rdd-calendrier.js b/module/rdd-calendrier.js
index e08a0dc4..bd9d0dda 100644
--- a/module/rdd-calendrier.js
+++ b/module/rdd-calendrier.js
@@ -58,13 +58,17 @@ export class RdDCalendrier extends Application {
     }
     // nombre astral
     if ( game.user.isGM) {
-      this.listeNombreAstral = duplicate(game.settings.get("foundryvtt-reve-de-dragon", "liste-nombre-astral"));
+      this.listeNombreAstral = this._loadListNombreAstral(); 
       this.rebuildListeNombreAstral(); // Ensure always up-to-date
     }
     console.log(this.calendrier, this.calendrierPos, this.listeNombreAstral);
   }
   
 
+  _loadListNombreAstral() {
+    return Object.values(game.settings.get("foundryvtt-reve-de-dragon", "liste-nombre-astral"));
+  }
+
   /* -------------------------------------------- */
   static get defaultOptions() {
     const options = super.defaultOptions;
@@ -114,7 +118,7 @@ export class RdDCalendrier extends Application {
 
   /* -------------------------------------------- */
   getNombreAstral( index ) {
-    const liste = this.listeNombreAstral || game.settings.get("foundryvtt-reve-de-dragon", "liste-nombre-astral")
+    const liste = this.listeNombreAstral || this._loadListNombreAstral();
     let astralData = liste.find( (nombreAstral, i) => nombreAstral.index == index );
     return astralData.nombreAstral || "N/A";
   }