diff --git a/frontend/src/app/shared/services/audio.service.ts b/frontend/src/app/shared/services/audio.service.ts
index 5e716fb..db44378 100644
--- a/frontend/src/app/shared/services/audio.service.ts
+++ b/frontend/src/app/shared/services/audio.service.ts
@@ -7,12 +7,13 @@ export class AudioService {
   private audioCache = new Map<string, HTMLAudioElement>();
 
   private getAudio(soundName: string): HTMLAudioElement {
-    if (!this.audioCache.has(soundName)) {
-      const audio = new Audio(`/sounds/${soundName}`);
-      this.audioCache.set(soundName, audio);
-      return audio;
+    if (this.audioCache.has(soundName)) {
+      return this.audioCache.get(soundName)!;
     }
-    return this.audioCache.get(soundName)!;
+
+    const audio = new Audio(`/sounds/${soundName}.mp3`);
+    this.audioCache.set(soundName, audio);
+    return audio;
   }
 
   playBetSound(): void {