diff --git a/src/univ/topluniv.cpp b/src/univ/topluniv.cpp
index a7c87890d6..ec7f1d6652 100644
--- a/src/univ/topluniv.cpp
+++ b/src/univ/topluniv.cpp
@@ -28,6 +28,7 @@
     #include "wx/settings.h"
     #include "wx/bitmap.h"
     #include "wx/image.h"
+    #include "wx/frame.h"
 #endif
 
 #include "wx/univ/renderer.h"