diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 490ebb5ba..5cae48077 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -1299,8 +1299,8 @@ boolean I_PlaySong(boolean looping)
 	{
 		gme_equalizer_t eq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0};
 #if GME_VERSION >= 0x000603
-        if (looping)
-            gme_set_autoload_playback_limit(gme, 0);
+		if (looping)
+			gme_set_autoload_playback_limit(gme, 0);
 #endif        
 		gme_set_equalizer(gme, &eq);
 		gme_start_track(gme, 0);