diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index 8dbf99b1..ffd4a490 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -620,9 +620,14 @@ export class GameScene extends ResizableScene implements CenterListener {
         if (url === undefined) {
             audioManager.unloadAudio();
         } else {
-            const mapDirUrl = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
-            const realAudioPath = mapDirUrl + '/' + url;
-            audioManager.loadAudio(realAudioPath);
+            // keep external url untouched
+            if (typeof url === 'string' && url.match(/^https?:\/\//))  {
+                audioManager.loadAudio(url);
+            } else {
+                const mapDirUrl = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
+                const realAudioPath = mapDirUrl + '/' + url;
+                audioManager.loadAudio(realAudioPath);
+            }
 
             if (loop) {
                 audioManager.loop();