diff --git a/stepmania/src/Grade.h b/stepmania/src/Grade.h
index 56b50ab6f7..6df9e90bda 100644
--- a/stepmania/src/Grade.h
+++ b/stepmania/src/Grade.h
@@ -4,6 +4,7 @@
 #define GRADE_H
 
 #include "RageUtil.h"
+#include "EnumHelper.h"
 
 #define NUM_Grade_TierS 20
 enum Grade