diff --git a/wxPython/src/_settings.i b/wxPython/src/_settings.i
index 38720a9537..2cf16843c3 100644
--- a/wxPython/src/_settings.i
+++ b/wxPython/src/_settings.i
@@ -183,6 +183,8 @@ public:
 
 //---------------------------------------------------------------------------
 
+MAKE_CONST_WXSTRING(WINDOW_DEFAULT_VARIANT);
+
 class wxSystemOptions : public wxObject
 {
 public: