--- a/QTfrontend/SDLs.cpp	Thu Dec 23 17:47:50 2010 +0100
+++ b/QTfrontend/SDLs.cpp	Thu Dec 23 20:26:31 2010 +0100
@@ -166,7 +166,7 @@
     SDLMusicInit();
 
     if (music == NULL) {
-        music = Mix_LoadMUS((datadir->absolutePath() + "/Music/main theme.ogg").toLocal8Bit().constData());
+        music = Mix_LoadMUS((datadir->absolutePath() + "/Music/main_theme.ogg").toLocal8Bit().constData());
 
     }
     Mix_VolumeMusic(MIX_MAX_VOLUME - 28);