diff --git a/source/build/include/renderlayer.h b/source/build/include/renderlayer.h
index 0d3d9a314..49cdc96d1 100644
--- a/source/build/include/renderlayer.h
+++ b/source/build/include/renderlayer.h
@@ -11,9 +11,9 @@
 #if defined _WIN32 || defined EDUKE32_OSX || defined HAVE_GTK2
 # define STARTUP_SETUP_WINDOW
 #endif
+#endif
 
 #undef WM_MSGBOX_WINDOW
 #if defined _WIN32 || defined EDUKE32_OSX || defined HAVE_GTK2 || (defined RENDERTYPESDL && SDL_MAJOR_VERSION >= 2)
 # define WM_MSGBOX_WINDOW
 #endif
-#endif