diff --git a/src/video/mir/SDL_mirwindow.h b/src/video/mir/SDL_mirwindow.h
index d7bc85165..4ba5869fe 100644
--- a/src/video/mir/SDL_mirwindow.h
+++ b/src/video/mir/SDL_mirwindow.h
@@ -78,7 +78,7 @@ MIR_SetWindowMaximumSize(_THIS, SDL_Window* window);
 extern void
 MIR_SetWindowTitle(_THIS, SDL_Window* window);
 
-#endif /* _SDL_mirwindow */
+#endif /* _SDL_mirwindow_h */
 
 /* vi: set ts=4 sw=4 expandtab: */