diff --git a/include/wx/gtk/menuitem.h b/include/wx/gtk/menuitem.h
index c538d03819..fc60a7d3e6 100644
--- a/include/wx/gtk/menuitem.h
+++ b/include/wx/gtk/menuitem.h
@@ -43,6 +43,7 @@ public:
 #if WXWIN_COMPATIBILITY_2_8
     // compatibility only, don't use in new code
     wxDEPRECATED(
+    inline
     wxMenuItem(wxMenu *parentMenu,
                int id,
                const wxString& text,