diff --git a/Post tutorial series fixes/AudioManager.cs b/Post tutorial series fixes/AudioManager.cs
index 68624e9..b85b17e 100644
--- a/Post tutorial series fixes/AudioManager.cs	
+++ b/Post tutorial series fixes/AudioManager.cs	
@@ -78,8 +78,7 @@ public void SetVolume(float volumePercent, AudioChannel channel) {
 			break;
 		}
 
-		musicSources [0].volume = musicVolumePercent * masterVolumePercent;
-		musicSources [1].volume = musicVolumePercent * masterVolumePercent;
+		musicSources[activeMusicSourceIndex].volume = musicVolumePercent * masterVolumePercent;
 
 		PlayerPrefs.SetFloat ("master vol", masterVolumePercent);
 		PlayerPrefs.SetFloat ("sfx vol", sfxVolumePercent);