diff --git a/include/wx/univ/window.h b/include/wx/univ/window.h
index f0061b5ec4..8e32e29618 100644
--- a/include/wx/univ/window.h
+++ b/include/wx/univ/window.h
@@ -250,7 +250,7 @@ protected:
     bool m_isCurrent:1;
 
 #ifdef __WXMSW__
-protected:
+public:
     // override MSWWindowProc() to process WM_NCHITTEST
     WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 #endif // __WXMSW__
@@ -273,4 +273,3 @@ private:
 };
 
 #endif // _WX_UNIV_WINDOW_H_
-