diff --git a/sc2/src/sc2code/libs/sound/trackplayer.c b/sc2/src/sc2code/libs/sound/trackplayer.c
index a248f65fc..86cca356c 100644
--- a/sc2/src/sc2code/libs/sound/trackplayer.c
+++ b/sc2/src/sc2code/libs/sound/trackplayer.c
@@ -639,7 +639,7 @@ GetSoundData (void *data)
 
 			//fprintf (stderr, "played_data %d total_decoded %d delta %d\n", played_data, soundSource[MUSIC_SOURCE].total_decoded, delta);
 
-			pos = soundSource[SPEECH_SOURCE].sbuf_offset + delta;
+			pos = soundSource[MUSIC_SOURCE].sbuf_offset + delta;
 			if (pos % 2 == 1)
 				pos++;