diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index a6ec1662..021a7c8b 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -598,7 +598,6 @@ export class GameScene extends ResizableScene implements CenterListener {
         if (url === undefined) {
             audioManager.unloadAudio();
         } else {
-            const mapDirUrl = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
             const audioPath = url as string;
             let realAudioPath = '';
 
@@ -607,9 +606,10 @@ export class GameScene extends ResizableScene implements CenterListener {
                 realAudioPath = audioPath;
             } else {
                 // local file, include it relative to map directory
+                const mapDirUrl = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
                 realAudioPath = mapDirUrl + '/' + url;
             }
-            
+
             audioManager.loadAudio(realAudioPath);
 
             if (loop) {