diff --git a/stepmania/src/ScreenGameplay.h b/stepmania/src/ScreenGameplay.h
index a80b8a9432..e21ab8a96e 100644
--- a/stepmania/src/ScreenGameplay.h
+++ b/stepmania/src/ScreenGameplay.h
@@ -1,7 +1,7 @@
 /* ScreenGameplay - The music plays, the notes scroll, and the Player is pressing buttons. */
 
-#ifndef ScreenGameplay_H
-#define ScreenGameplay_H
+#ifndef SCREEN_GAMEPLAY_H
+#define SCREEN_GAMEPLAY_H
 
 #include "ScreenWithMenuElements.h"
 #include "Sprite.h"