diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 718324591..8938cb749 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -458,7 +458,7 @@ static void mix_gme(void *udata, Uint8 *stream, int len)
 
 	// apply volume to stream
 	for (i = 0, p = (short *)stream; i < len/2; i++, p++)
-		*p = ((INT32)*p) * music_volume / 31;
+		*p = ((INT32)*p) * music_volume*2/31;
 }
 #endif