diff --git a/src/motif/dcscreen.cpp b/src/motif/dcscreen.cpp
index 04c409033f..df547fe628 100644
--- a/src/motif/dcscreen.cpp
+++ b/src/motif/dcscreen.cpp
@@ -13,6 +13,7 @@
 #pragma implementation "dcscreen.h"
 #endif
 
+#include "wx/window.h"
 #include "wx/dcscreen.h"
 #include "wx/utils.h"