diff --git a/include/wx/wizard.h b/include/wx/wizard.h
index 55fd5c82cf..03ffe9a649 100644
--- a/include/wx/wizard.h
+++ b/include/wx/wizard.h
@@ -199,7 +199,7 @@ public:
                      const wxString& title = wxEmptyString,
                      const wxBitmap& bitmap = wxNullBitmap,
                      const wxPoint& pos = wxDefaultPosition,
-                     const wxSize& size = wxDefaultSize)
+                     const wxSize& size = wxDefaultSize);
 #endif // WXWIN_COMPATIBILITY_2_2
 };