diff --git a/contrib/assdraw/src/wxAGG/AGGWindow.cpp b/contrib/assdraw/src/wxAGG/AGGWindow.cpp
index 024124ece..9e8d1b987 100644
--- a/contrib/assdraw/src/wxAGG/AGGWindow.cpp
+++ b/contrib/assdraw/src/wxAGG/AGGWindow.cpp
@@ -3,6 +3,8 @@
 #include "agg_rendering_buffer.h"
 #include "agg_pixfmt_rgb.h"
 
+#include <wx/dcclient.h>
+
 namespace GUI {
     
     BEGIN_EVENT_TABLE(AGGWindow, wxWindow)