diff --git a/src/GameSoundManager.cpp b/src/GameSoundManager.cpp
index ca07566f8a..f0b0a9d686 100644
--- a/src/GameSoundManager.cpp
+++ b/src/GameSoundManager.cpp
@@ -142,8 +142,9 @@ static void StartMusic( MusicToPlay &ToPlay )
 	{
 		LOG->Trace( "Found '%s'", ToPlay.m_sTimingFile.c_str() );
 		Song song;
-		if( SSCLoader::LoadFromSSCFile(ToPlay.m_sTimingFile, song) )
+		if( GetExtension(ToPlay.m_sTimingFile.c_str()) == ".ssc" )
 		{
+			SSCLoader::LoadFromSSCFile(ToPlay.m_sTimingFile, song);
 			ToPlay.HasTiming = true;
 			ToPlay.m_TimingData = song.m_Timing;
 			// get cabinet lights if any
@@ -151,8 +152,9 @@ static void StartMusic( MusicToPlay &ToPlay )
 			if( pStepsCabinetLights )
 				pStepsCabinetLights->GetNoteData( ToPlay.m_LightsData );
 		}
-		else if( SMLoader::LoadFromSMFile(ToPlay.m_sTimingFile, song) )
+		else if( GetExtension(ToPlay.m_sTimingFile.c_str()) == ".sm" )
 		{
+			SMLoader::LoadFromSMFile(ToPlay.m_sTimingFile, song);
 			ToPlay.HasTiming = true;
 			ToPlay.m_TimingData = song.m_Timing;
 			// get cabinet lights if any