diff --git a/stepmania/src/EnumHelper.h b/stepmania/src/EnumHelper.h
index 5e4e3400b6..7688ae475b 100644
--- a/stepmania/src/EnumHelper.h
+++ b/stepmania/src/EnumHelper.h
@@ -1,5 +1,5 @@
-#ifndef EnumHelper_H
-#define EnumHelper_H
+#ifndef ENUM_HELPER_H
+#define ENUM_HELPER_H
 
 /*
  * Safely add an integer to an enum.