diff --git a/include/wx/gtk/menu.h b/include/wx/gtk/menu.h
index fa6580f0ab..caa919c05d 100644
--- a/include/wx/gtk/menu.h
+++ b/include/wx/gtk/menu.h
@@ -83,6 +83,8 @@ public:
     wxMenu(const wxString& title, const wxFunction func)
         : wxMenuBase(title)
     {
+        Init();
+
         Callback(func);
     }
 
diff --git a/include/wx/gtk1/menu.h b/include/wx/gtk1/menu.h
index fa6580f0ab..caa919c05d 100644
--- a/include/wx/gtk1/menu.h
+++ b/include/wx/gtk1/menu.h
@@ -83,6 +83,8 @@ public:
     wxMenu(const wxString& title, const wxFunction func)
         : wxMenuBase(title)
     {
+        Init();
+
         Callback(func);
     }
 
diff --git a/include/wx/motif/menu.h b/include/wx/motif/menu.h
index 8360a909cd..c50ae78653 100644
--- a/include/wx/motif/menu.h
+++ b/include/wx/motif/menu.h
@@ -50,6 +50,8 @@ public:
     wxMenu(const wxString& title, const wxFunction func)
         : wxMenuBase(title)
     {
+        Init();
+
         Callback(func);
     }
 
diff --git a/include/wx/msw/menu.h b/include/wx/msw/menu.h
index 25364af1be..741b88aa6e 100644
--- a/include/wx/msw/menu.h
+++ b/include/wx/msw/menu.h
@@ -54,6 +54,8 @@ public:
     wxMenu(const wxString& title, const wxFunction func)
         : wxMenuBase(title)
     {
+        Init();
+
         Callback(func);
     }
 #endif // wxUSE_MENU_CALLBACK