diff --git a/include/wx/osx/carbon/msgdlg.h b/include/wx/osx/carbon/msgdlg.h
index 9c78a245f9..4ec95ea4a6 100644
--- a/include/wx/osx/carbon/msgdlg.h
+++ b/include/wx/osx/carbon/msgdlg.h
@@ -13,7 +13,7 @@
 #ifndef _WX_MSGBOXDLG_H_
 #define _WX_MSGBOXDLG_H_
 
-class WXDLLIMPEXP_CORE wxMessageDialog : public wxMessageDialogBase
+class WXDLLIMPEXP_CORE wxMessageDialog : public wxMessageDialogWithCustomLabels
 {
 public:
     wxMessageDialog(wxWindow *parent,