diff --git a/src/msw/renderer.cpp b/src/msw/renderer.cpp
index 49bbb5e920..4231e0eee7 100644
--- a/src/msw/renderer.cpp
+++ b/src/msw/renderer.cpp
@@ -33,6 +33,7 @@
 #include "wx/splitter.h"
 #include "wx/renderer.h"
 #include "wx/msw/uxtheme.h"
+#include "wx/msw/private.h"
 
 // ----------------------------------------------------------------------------
 // wxRendererMSW: wxRendererNative implementation for "old" Win32 systems