diff --git a/sys/winnt/stubs.c b/sys/winnt/stubs.c
index 2a0d10e79..64193ce17 100644
--- a/sys/winnt/stubs.c
+++ b/sys/winnt/stubs.c
@@ -12,6 +12,10 @@
 int GUILaunched;
 struct window_procs mswin_procs = { "guistubs" };
 
+#ifdef QT_GRAPHICS
+struct window_procs Qt_procs = { "guistubs" };
+int qt_tilewidth, qt_tileheight, qt_fontsize, qt_compact_mode;
+#endif
 void
 mswin_destroy_reg()
 {