diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 5fe1bbfbef..ab9b671455 100644
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -206,6 +206,11 @@ extern LONG APIENTRY _EXPORT
 
 // make conversion from wxColour and COLORREF a bit less painful
 inline COLORREF wxColourToRGB(const wxColour& c)
+{
+    return RGB(c.Red(), c.Green(), c.Blue());
+}
+
+inline COLORREF wxColourToPalRGB(const wxColour& c)
 {
     return PALETTERGB(c.Red(), c.Green(), c.Blue());
 }