diff --git a/src/xrGame/ui/UIScriptWnd.cpp b/src/xrGame/ui/UIScriptWnd.cpp
index 12ee2221410..57c3f8a5bdb 100644
--- a/src/xrGame/ui/UIScriptWnd.cpp
+++ b/src/xrGame/ui/UIScriptWnd.cpp
@@ -8,60 +8,64 @@ CUIDialogWndEx::CUIDialogWndEx()
 
 CUIDialogWndEx::~CUIDialogWndEx()
 {
-	delete_data(m_callbacks);
+    delete_data(m_callbacks);
 }
 
-void CUIDialogWndEx::Register			(CUIWindow* pChild)
+void CUIDialogWndEx::Register           (CUIWindow* pChild)
 {
-	pChild->SetMessageTarget(this);
+    pChild->SetMessageTarget(this);
 }
 
 void CUIDialogWndEx::Register(CUIWindow* pChild, LPCSTR name)
 {
-	pChild->SetWindowName(name);
-	pChild->SetMessageTarget(this);
+    pChild->SetWindowName(name);
+    pChild->SetMessageTarget(this);
 }
 
 void CUIDialogWndEx::SendMessage(CUIWindow* pWnd, s16 msg, void* pData)
 {
-	event_comparer ec(pWnd,msg);
+    event_comparer ec(pWnd,msg);
 
-	CALLBACK_IT it = std::find_if(m_callbacks.begin(),m_callbacks.end(),ec);
-	if(it==m_callbacks.end())
-		return inherited::SendMessage(pWnd, msg, pData);
+    CALLBACK_IT it = std::find_if(m_callbacks.begin(),m_callbacks.end(),ec);
+    if(it==m_callbacks.end())
+        return inherited::SendMessage(pWnd, msg, pData);
 
-	((*it)->m_callback)();
+    ((*it)->m_callback)();
 
-//	if ( (*it)->m_cpp_callback )	
-//		(*it)->m_cpp_callback(pData);
+//  if ( (*it)->m_cpp_callback )    
+//      (*it)->m_cpp_callback(pData);
 }
 
 bool CUIDialogWndEx::Load(LPCSTR xml_name)
 {
-	return true;
+    return true;
 }
 
-SCallbackInfo*	CUIDialogWndEx::NewCallback ()
+SCallbackInfo*  CUIDialogWndEx::NewCallback ()
 {
-	m_callbacks.push_back( xr_new<SCallbackInfo>() );
-	return m_callbacks.back();
+    m_callbacks.push_back( xr_new<SCallbackInfo>() );
+    return m_callbacks.back();
 }
 
-void CUIDialogWndEx::AddCallback (LPCSTR control_id, s16 evt, const luabind::functor<void> &functor, const luabind::object &object)
+void CUIDialogWndEx::AddCallback(LPCSTR control_id, s16 evt, const luabind::functor<void> &functor, const luabind::object &object)
+{ AddCallback(control_id, evt, functor, object); }
+
+void CUIDialogWndEx::AddCallback(LPCSTR control_id, s16 evt,
+    const luabind::object &functor, const luabind::object &object)
 {
-	SCallbackInfo* c	= NewCallback ();
-	c->m_callback.set	(functor,object);
-	c->m_control_name	= control_id;
-	c->m_event			= evt;
+    SCallbackInfo* c    = NewCallback ();
+    c->m_callback.set   (functor,object);
+    c->m_control_name   = control_id;
+    c->m_event          = evt;
 }
 
 
 
 bool CUIDialogWndEx::OnKeyboardAction(int dik, EUIMessages keyboard_action)
 {
-	return inherited::OnKeyboardAction(dik,keyboard_action);
+    return inherited::OnKeyboardAction(dik,keyboard_action);
 }
 void CUIDialogWndEx::Update()
 {
-	inherited::Update();
+    inherited::Update();
 }
diff --git a/src/xrGame/ui/UIScriptWnd.h b/src/xrGame/ui/UIScriptWnd.h
index 901f3307b34..c4dfd5f67f0 100644
--- a/src/xrGame/ui/UIScriptWnd.h
+++ b/src/xrGame/ui/UIScriptWnd.h
@@ -21,8 +21,10 @@ typedef CALLBACKS::iterator			CALLBACK_IT;
 			void				Register			(CUIWindow* pChild, LPCSTR name);
 								CUIDialogWndEx		();
 	virtual						~CUIDialogWndEx		();
+    // XXX: declaration without implementation
 			void				AddCallback			(LPCSTR control_id, s16 event, const luabind::functor<void> &lua_function);
 			void				AddCallback			(LPCSTR control_id, s16 event, const luabind::functor<void> &functor, const luabind::object &object);
+    void AddCallback(const char *controlId, s16 event, const luabind::object &functor, const luabind::object &object);
 	virtual void				Update				();
 	virtual bool				OnKeyboardAction			(int dik, EUIMessages keyboard_action);
 	virtual bool				Dispatch			(int cmd, int param)				{return true;}
diff --git a/src/xrGame/ui/UIScriptWnd_script.cpp b/src/xrGame/ui/UIScriptWnd_script.cpp
index 795c31476fc..b2dd3d46f6d 100644
--- a/src/xrGame/ui/UIScriptWnd_script.cpp
+++ b/src/xrGame/ui/UIScriptWnd_script.cpp
@@ -40,7 +40,7 @@ export_class &script_register_ui_window1(export_class &instance)
 {
 	instance
 		.def(					constructor<>())
-		.def("AddCallback",		(void(BaseType::*)(LPCSTR, s16, const luabind::functor<void>&, const luabind::object&))&BaseType::AddCallback)
+		.def("AddCallback",		(void(BaseType::*)(LPCSTR, s16, const luabind::object&, const luabind::object&))&BaseType::AddCallback)
 		.def("Register",		(void (BaseType::*)(CUIWindow*,LPCSTR))&BaseType::Register);
     return	(instance);
 }