diff --git a/stepmania/src/ForeachEnum.h b/stepmania/src/ForeachEnum.h
index de1d00ff4a..a413a28e5c 100644
--- a/stepmania/src/ForeachEnum.h
+++ b/stepmania/src/ForeachEnum.h
@@ -1 +1,6 @@
+#ifndef FOREACHENUM_H
+#define FOREACHENUM_H
+
 #define FOREACH_ENUM( e, max, var )	for( e var=(e)0; var<max; ((int&)var)++ )
+
+#endif