diff --git a/include/game_options.h b/include/game_options.h
index 3bd2c742f..f1cb8adbb 100644
--- a/include/game_options.h
+++ b/include/game_options.h
@@ -1,5 +1,5 @@
-#ifndef GUARD_GUNKNOWN_203B46C_H
-#define GUARD_GUNKNOWN_203B46C_H
+#ifndef GUARD_GAME_OPTIONS_H
+#define GUARD_GAME_OPTIONS_H
 
 struct GameOptions
 {