diff --git a/stepmania/src/NotesLoaderSM.cpp b/stepmania/src/NotesLoaderSM.cpp
index 3a031eaadd..4b0d383298 100644
--- a/stepmania/src/NotesLoaderSM.cpp
+++ b/stepmania/src/NotesLoaderSM.cpp
@@ -363,8 +363,8 @@ bool SMLoader::LoadFromSMFile( const RString &sPath, Song &out )
 		else if( sValueName.Left(strlen("BGCHANGES"))=="BGCHANGES" || sValueName=="ANIMATIONS" )
 		{
 			BackgroundLayer iLayer = BACKGROUND_LAYER_1;
-			if( sscanf(sValueName, "BGCHANGES%d", ConvertValue<int>(&iLayer)) == 1 )
-				iLayer = (BackgroundLayer)(iLayer-1);	// #BGCHANGES2 = BACKGROUND_LAYER_2
+			if( sscanf(sValueName, "BGCHANGES%d", &*ConvertValue<int>(&iLayer)) == 1 )
+				enum_add(iLayer, -1);	// #BGCHANGES2 = BACKGROUND_LAYER_2
 
 			bool bValid = iLayer>=0 && iLayer<NUM_BackgroundLayer;
 			if( !bValid )