diff --git a/src/univ/colschem.cpp b/src/univ/colschem.cpp
index 05868880ae..074088a7ea 100644
--- a/src/univ/colschem.cpp
+++ b/src/univ/colschem.cpp
@@ -26,6 +26,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
+    #include "wx/gdicmn.h"
 #endif // WX_PRECOMP
 
 #include "wx/univ/colschem.h"