diff --git a/src/game/ingame_menu.h b/src/game/ingame_menu.h
index 01845acd..588abcce 100644
--- a/src/game/ingame_menu.h
+++ b/src/game/ingame_menu.h
@@ -31,9 +31,17 @@ enum MenuMode {
     MENU_MODE_UNUSED_3
 };
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern s8 gDialogCourseActNum;
 extern s8 gHudFlash;
 
+#ifdef __cplusplus
+}
+#endif
+
 struct DialogEntry {
     /*0x00*/ u32 unused;
     /*0x04*/ s8 linesPerBox;