1 files changed, 2 insertions, 1 deletions
diff --git a/include/main.h b/include/main.h
index cad5c0ef9..79d56d31f 100644
--- a/include/main.h
+++ b/include/main.h
@@ -40,9 +40,10 @@ struct Main
     /*0x439*/ u8 anyLinkBattlerHasFrontierPass:1;
 };
 
+#define GAME_CODE_LENGTH 4
 extern const u8 gGameVersion;
 extern const u8 gGameLanguage;
-extern const u8 RomHeaderGameCode[4];
+extern const u8 RomHeaderGameCode[GAME_CODE_LENGTH];
 extern const u8 RomHeaderSoftwareVersion;
 
 extern u16 gKeyRepeatStartDelay;