diff --git a/stepmania/src/Song.cpp b/stepmania/src/Song.cpp
index d68bbb3d78..3e67383461 100644
--- a/stepmania/src/Song.cpp
+++ b/stepmania/src/Song.cpp
@@ -785,7 +785,7 @@ void Song::TidyUpData()
 	{
 		StepsType st = (StepsType)i;
 
-		for( unsigned j=0; j<DIFFICULTY_INVALID-1; j++ )
+		for( unsigned j=0; j<NUM_DIFFICULTIES; j++ )
 		{
 			Difficulty dc = (Difficulty)j;