diff --git a/client.c b/client.c
index 05e5e0f9e..680647c05 100644
--- a/client.c
+++ b/client.c
@@ -43,6 +43,16 @@
 
 extern awesome_t globalconf;
 
+int
+luaA_client_userdata_new(lua_State *L, client_t *p)
+{
+    client_t **pp = lua_newuserdata(L, sizeof(client_t *));
+    *pp = p;
+    return luaA_settype(L, "client");
+}
+
+DO_LUA_EQ(client_t, client, "client")
+
 /** Load windows properties, restoring client's tag
  * and floating state before awesome was restarted if any.
  * \todo This may bug if number of tags is != than before.
@@ -187,7 +197,7 @@ client_updatetitle(client_t *c)
     a_iso2utf8(name, &c->name);
 
     /* call hook */
-    luaA_client_userdata_new(c);
+    luaA_client_userdata_new(globalconf.L, c);
     luaA_dofunction(globalconf.L, globalconf.hooks.titleupdate, 1);
 
     widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
@@ -200,7 +210,7 @@ static void
 client_unfocus(client_t *c)
 {
     /* Call hook */
-    luaA_client_userdata_new(globalconf.focus->client);
+    luaA_client_userdata_new(globalconf.L, globalconf.focus->client);
     luaA_dofunction(globalconf.L, globalconf.hooks.unfocus, 1);
 
     focus_client_push(NULL);
@@ -256,7 +266,7 @@ client_focus(client_t *c, int screen)
         globalconf.screens[c->screen].need_arrange = true;
 
         /* execute hook */
-        luaA_client_userdata_new(globalconf.focus->client);
+        luaA_client_userdata_new(globalconf.L, globalconf.focus->client);
         luaA_dofunction(globalconf.L, globalconf.hooks.focus, 1);
     }
     else
@@ -403,7 +413,7 @@ client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int screen)
     widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
 
     /* call hook */
-    luaA_client_userdata_new(c);
+    luaA_client_userdata_new(globalconf.L, c);
     luaA_dofunction(globalconf.L, globalconf.hooks.manage, 1);
 }
 
@@ -628,7 +638,7 @@ client_unmanage(client_t *c)
     tag_t *tag;
 
     /* call hook */
-    luaA_client_userdata_new(c);
+    luaA_client_userdata_new(globalconf.L, c);
     luaA_dofunction(globalconf.L, globalconf.hooks.unmanage, 1);
 
     /* The server grab construct avoids race conditions. */
@@ -680,7 +690,7 @@ client_updatewmhints(client_t *c)
         if((c->isurgent = (wm_hints_flags & XCB_WM_X_URGENCY_HINT)))
         {
             /* execute hook */
-            luaA_client_userdata_new(c);
+            luaA_client_userdata_new(globalconf.L, c);
             luaA_dofunction(globalconf.L, globalconf.hooks.urgent, 1);
 
             widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
@@ -827,7 +837,7 @@ luaA_client_get(lua_State *L)
 
     for(c = globalconf.clients; c; c = c->next)
     {
-        luaA_client_userdata_new(c);
+        luaA_client_userdata_new(globalconf.L, c);
         lua_rawseti(L, -2, i++);
     }
 
@@ -886,7 +896,7 @@ luaA_client_visible_get(lua_State *L)
     for(c = globalconf.clients; c; c = c->next)
         if(!c->skip && !c->ishidden && client_isvisible(c, screen))
         {
-            luaA_client_userdata_new(c);
+            luaA_client_userdata_new(globalconf.L, c);
             lua_rawseti(L, -2, i++);
         }
 
@@ -902,7 +912,7 @@ static int
 luaA_client_focus_get(lua_State *L __attribute__ ((unused)))
 {
     if(globalconf.focus->client)
-        return luaA_client_userdata_new(globalconf.focus->client);
+        return luaA_client_userdata_new(globalconf.L, globalconf.focus->client);
     return 0;
 }
 
@@ -1328,7 +1338,7 @@ luaA_client_titlebar_get(lua_State *L)
     client_t **c = luaA_checkudata(L, 1, "client");
 
     if((*c)->titlebar)
-        return luaA_titlebar_userdata_new((*c)->titlebar);
+        return luaA_titlebar_userdata_new(globalconf.L, (*c)->titlebar);
 
     return 0;
 }
@@ -1392,20 +1402,6 @@ luaA_client_ishidden(lua_State *L)
     return 1;
 }
 
-/** Create and push a client userdata.
- * \param c The client.
- * \return The number of pushed value.
- */
-int
-luaA_client_userdata_new(client_t *c)
-{
-    client_t **lc = lua_newuserdata(globalconf.L, sizeof(client_t *));
-    *lc = c;
-    return luaA_settype(globalconf.L, "client");
-}
-
-DO_LUA_EQ(client_t, client, "client")
-
 const struct luaL_reg awesome_client_methods[] =
 {
     { "get", luaA_client_get },
diff --git a/client.h b/client.h
index e6ed99b9c..ff304d344 100644
--- a/client.h
+++ b/client.h
@@ -44,7 +44,7 @@ void client_setfloating(client_t *, bool, layer_t);
 char * client_markup_parse(client_t *, const char *, ssize_t);
 void client_setborder(client_t *, int);
 
-int luaA_client_userdata_new(client_t *);
+int luaA_client_userdata_new(lua_State *, client_t *);
 
 DO_SLIST(client_t, client, p_delete)
 
diff --git a/event.c b/event.c
index 5d330d4b4..d1e8bb162 100644
--- a/event.c
+++ b/event.c
@@ -61,7 +61,7 @@ event_handle_mouse_button_press(client_t *c,
         {
             if(c)
             {
-                luaA_client_userdata_new(c);
+                luaA_client_userdata_new(globalconf.L, c);
                 luaA_dofunction(globalconf.L, b->fct, 1);
             }
             else
@@ -335,7 +335,7 @@ event_handle_enternotify(void *data __attribute__ ((unused)),
         globalconf.pointer_x = ev->root_x;
         globalconf.pointer_y = ev->root_y;
 
-        luaA_client_userdata_new(c);
+        luaA_client_userdata_new(globalconf.L, c);
         luaA_dofunction(globalconf.L, globalconf.hooks.mouseover, 1);
     }
     else if((emwin = xembed_getbywin(globalconf.embedded, ev->event)))
diff --git a/ewmh.c b/ewmh.c
index d2f3bceca..c28d4e0ba 100644
--- a/ewmh.c
+++ b/ewmh.c
@@ -470,7 +470,7 @@ ewmh_process_state_atom(client_t *c, xcb_atom_t state, int set)
         {
             c->isurgent = true;
             /* execute hook */
-            luaA_client_userdata_new(c);
+            luaA_client_userdata_new(globalconf.L, c);
             luaA_dofunction(globalconf.L, globalconf.hooks.urgent, 1);
             widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
         }
diff --git a/keybinding.c b/keybinding.c
index 54795dad4..97bfe0f6d 100644
--- a/keybinding.c
+++ b/keybinding.c
@@ -28,6 +28,9 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(static, keybinding_t, keybinding, "keybinding", keybinding_ref)
+DO_LUA_GC(keybinding_t, keybinding, "keybinding", keybinding_unref)
+
 static void
 __luaA_keystore(keybinding_t *key, const char *str)
 {
@@ -59,7 +62,7 @@ static int
 luaA_keybinding_new(lua_State *L)
 {
     size_t i, len;
-    keybinding_t *k, **keyb;
+    keybinding_t *k;
     const char *key;
 
     /* arg 1 is key mod table */
@@ -81,10 +84,7 @@ luaA_keybinding_new(lua_State *L)
         k->mod |= xutil_keymask_fromstr(luaL_checkstring(L, -1));
     }
 
-    keyb = lua_newuserdata(globalconf.L, sizeof(client_t *));
-    *keyb = k;
-    keybinding_ref(keyb);
-    return luaA_settype(L, "keybinding");
+    return luaA_keybinding_userdata_new(L, k);
 }
 
 /** Add a global key binding. This key binding will always be available.
@@ -132,8 +132,6 @@ luaA_keybinding_remove(lua_State *L)
     return 0;
 }
 
-DO_LUA_GC(keybinding_t, keybinding, "keybinding", keybinding_unref)
-
 /** Convert a keybinding to a printable string.
  * \return A string.
  */
diff --git a/lua.c b/lua.c
index 781460746..9cdb6e57d 100644
--- a/lua.c
+++ b/lua.c
@@ -434,15 +434,15 @@ luaA_colors_set(lua_State *L)
  * \param type Its type.
  */
 void
-luaA_pushpointer(void *p, awesome_type_t type)
+luaA_pushpointer(lua_State *L, void *p, awesome_type_t type)
 {
     switch(type)
     {
       case AWESOME_TYPE_STATUSBAR:
-        luaA_statusbar_userdata_new(p);
+        luaA_statusbar_userdata_new(L, p);
         break;
       case AWESOME_TYPE_TITLEBAR:
-        luaA_titlebar_userdata_new(p);
+        luaA_titlebar_userdata_new(L, p);
         break;
     }
 }
diff --git a/lua.h b/lua.h
index aeb534c79..8ff8195af 100644
--- a/lua.h
+++ b/lua.h
@@ -38,6 +38,16 @@ typedef enum
 /** Type for Lua function */
 typedef int luaA_function;
 
+#define DO_LUA_NEW(decl, type, prefix, lua_type, type_ref) \
+    decl int \
+    luaA_##prefix##_userdata_new(lua_State *L, type *p) \
+    { \
+        type **pp = lua_newuserdata(L, sizeof(type *)); \
+        *pp = p; \
+        type_ref(pp); \
+        return luaA_settype(L, lua_type); \
+    }
+
 #define DO_LUA_GC(type, prefix, lua_type, type_unref) \
     static int \
     luaA_##prefix##_gc(lua_State *L) \
@@ -171,7 +181,7 @@ luaA_name_init(lua_State *L)
 
 void luaA_init(void);
 bool luaA_parserc(const char *);
-void luaA_pushpointer(void *, awesome_type_t);
+void luaA_pushpointer(lua_State *, void *, awesome_type_t);
 void luaA_cs_init(void);
 void luaA_cs_cleanup(void);
 void luaA_on_timer(EV_P_ ev_timer *w, int revents);
diff --git a/mouse.c b/mouse.c
index 2726c4c51..49ffacf81 100644
--- a/mouse.c
+++ b/mouse.c
@@ -41,6 +41,10 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(static, button_t, mouse, "mouse", button_ref)
+DO_LUA_GC(button_t, mouse, "mouse", button_unref)
+DO_LUA_EQ(button_t, mouse, "mouse")
+
 /** Define corners. */
 typedef enum
 {
@@ -1008,18 +1012,6 @@ luaA_mouse_screen_get(lua_State *L)
     return 1;
 }
 
-/** Create a new mouse userdata.
- * \param bt The mouse button binding.
- */
-static int
-luaA_mouse_userdata_new(button_t *bt)
-{
-    button_t **b = lua_newuserdata(globalconf.L, sizeof(button_t *));
-    *b = bt;
-    button_ref(b);
-    return luaA_settype(globalconf.L, "mouse");
-}
-
 /** Create a new mouse button bindings.
  * \param L The Lua VM state.
  * \luastack
@@ -1051,12 +1043,9 @@ luaA_mouse_new(lua_State *L)
         button->mod |= xutil_keymask_fromstr(luaL_checkstring(L, -1));
     }
 
-    return luaA_mouse_userdata_new(button);
+    return luaA_mouse_userdata_new(L, button);
 }
 
-DO_LUA_GC(button_t, mouse, "mouse", button_unref)
-DO_LUA_EQ(button_t, mouse, "mouse")
-
 const struct luaL_reg awesome_mouse_methods[] =
 {
     { "new", luaA_mouse_new },
diff --git a/statusbar.c b/statusbar.c
index 47ab01451..73c979ea4 100644
--- a/statusbar.c
+++ b/statusbar.c
@@ -31,6 +31,10 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(extern, statusbar_t, statusbar, "statusbar", statusbar_ref)
+DO_LUA_GC(statusbar_t, statusbar, "statusbar", statusbar_unref)
+DO_LUA_EQ(statusbar_t, statusbar, "statusbar")
+
 /** Draw a statusbar.
  * \param statusbar The statusbar to draw.
  */
@@ -523,19 +527,7 @@ luaA_statusbar_new(lua_State *L)
 
     sb->position = position_get_from_str(luaA_getopt_string(L, 1, "position", "top"));
 
-    return luaA_statusbar_userdata_new(sb);
-}
-
-/** Create a new statusbar userdata.
- * \param t The statusbar.
- */
-int
-luaA_statusbar_userdata_new(statusbar_t *t)
-{
-    statusbar_t **sb = lua_newuserdata(globalconf.L, sizeof(statusbar_t *));
-    *sb = t;
-    statusbar_ref(sb);
-    return luaA_settype(globalconf.L, "statusbar");
+    return luaA_statusbar_userdata_new(L, sb);
 }
 
 /** Get all widget from a statusbar.
@@ -556,7 +548,7 @@ luaA_statusbar_widget_get(lua_State *L)
 
     for(widget = (*sb)->widgets; widget; widget = widget->next)
     {
-        luaA_widget_userdata_new(widget->widget);
+        luaA_widget_userdata_new(L, widget->widget);
         /* ref again for the list */
         widget_ref(&widget->widget);
         lua_rawseti(L, -2, i++);
@@ -565,9 +557,6 @@ luaA_statusbar_widget_get(lua_State *L)
     return 1;
 }
 
-DO_LUA_GC(statusbar_t, statusbar, "statusbar", statusbar_unref)
-DO_LUA_EQ(statusbar_t, statusbar, "statusbar")
-
 const struct luaL_reg awesome_statusbar_methods[] =
 {
     { "new", luaA_statusbar_new },
diff --git a/statusbar.h b/statusbar.h
index 580c8b348..b199ed3cb 100644
--- a/statusbar.h
+++ b/statusbar.h
@@ -37,7 +37,7 @@ statusbar_delete(statusbar_t **statusbar)
 
 void statusbar_refresh(void);
 
-int luaA_statusbar_userdata_new(statusbar_t *);
+int luaA_statusbar_userdata_new(lua_State *, statusbar_t *);
 
 DO_RCNT(statusbar_t, statusbar, statusbar_delete)
 DO_SLIST(statusbar_t, statusbar, statusbar_delete)
diff --git a/tag.c b/tag.c
index 719434910..99d6f3be7 100644
--- a/tag.c
+++ b/tag.c
@@ -38,6 +38,10 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(extern, tag_t, tag, "tag", tag_ref)
+DO_LUA_GC(tag_t, tag, "tag", tag_unref)
+DO_LUA_EQ(tag_t, tag, "tag")
+
 /** View or unview a tag.
  * \param tag the tag
  * \param view set visible or not
@@ -296,7 +300,7 @@ luaA_tag_get(lua_State *L)
 
     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
     {
-        luaA_tag_userdata_new(tag);
+        luaA_tag_userdata_new(L, tag);
         lua_setfield(L, -2, tag->name);
     }
 
@@ -323,7 +327,7 @@ luaA_tag_geti(lua_State *L)
 
     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
     {
-        luaA_tag_userdata_new(tag);
+        luaA_tag_userdata_new(L, tag);
         lua_rawseti(L, -2, i++);
     }
 
@@ -361,7 +365,7 @@ luaA_tag_new(lua_State *L)
                   layout,
                   mwfact, nmaster, ncol);
 
-    return luaA_tag_userdata_new(tag);
+    return luaA_tag_userdata_new(L, tag);
 }
 
 /** Add or remove a tag from the current view.
@@ -589,22 +593,6 @@ luaA_tag_layout_set(lua_State *L)
 
 }
 
-/** Create a new userdata from a tag.
- * \param t The tag.
- * \return The luaA_settype returnn value.
- */
-int
-luaA_tag_userdata_new(tag_t *t)
-{
-    tag_t **lt = lua_newuserdata(globalconf.L, sizeof(tag_t *));
-    *lt = t;
-    tag_ref(lt);
-    return luaA_settype(globalconf.L, "tag");
-}
-
-DO_LUA_GC(tag_t, tag, "tag", tag_unref)
-DO_LUA_EQ(tag_t, tag, "tag")
-
 const struct luaL_reg awesome_tag_methods[] =
 {
     { "new", luaA_tag_new },
diff --git a/tag.h b/tag.h
index cde5759dc..0f6bd8cc2 100644
--- a/tag.h
+++ b/tag.h
@@ -45,7 +45,7 @@ bool is_client_tagged(client_t *, tag_t *);
 void tag_client_with_current_selected(client_t *);
 void tag_view_only_byindex(int, int);
 void tag_append_to_screen(tag_t *, int);
-int luaA_tag_userdata_new(tag_t *);
+int luaA_tag_userdata_new(lua_State *, tag_t *);
 
 DO_RCNT(tag_t, tag, tag_delete)
 DO_SLIST(tag_t, tag, tag_delete)
diff --git a/titlebar.c b/titlebar.c
index f8c2f10a9..730774a4c 100644
--- a/titlebar.c
+++ b/titlebar.c
@@ -32,6 +32,10 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(extern, titlebar_t, titlebar, "titlebar", titlebar_ref)
+DO_LUA_GC(titlebar_t, titlebar, "titlebar", titlebar_unref)
+DO_LUA_EQ(titlebar_t, titlebar, "titlebar")
+
 /** Get a client by its titlebar.
  * \param titlebar The titlebar.
  * \return A client.
@@ -327,7 +331,7 @@ luaA_titlebar_new(lua_State *L)
 
     tb->border.width = luaA_getopt_number(L, 1, "border_width", 0);
 
-    return luaA_titlebar_userdata_new(tb);
+    return luaA_titlebar_userdata_new(globalconf.L, tb);
 }
 
 /** Add a widget to a titlebar.
@@ -382,7 +386,7 @@ luaA_titlebar_widget_get(lua_State *L)
 
     for(witer = (*tb)->widgets; witer; witer = witer->next)
     {
-        luaA_widget_userdata_new(witer->widget);
+        luaA_widget_userdata_new(L, witer->widget);
         lua_setfield(L, -2, witer->widget->name);
     }
 
@@ -404,7 +408,7 @@ luaA_titlebar_client_get(lua_State *L)
     client_t *c;
 
     if((c = client_getbytitlebar(*titlebar)))
-        return luaA_client_userdata_new(c);
+        return luaA_client_userdata_new(L, c);
 
     return 0;
 }
@@ -481,19 +485,6 @@ luaA_titlebar_border_set(lua_State *L)
     return 0;
 }
 
-/** Create a new titlebar userdata.
- * \param t The titlebar.
- * \return The number of value pushed.
- */
-int
-luaA_titlebar_userdata_new(titlebar_t *t)
-{
-    titlebar_t **tb = lua_newuserdata(globalconf.L, sizeof(titlebar_t *));
-    *tb = t;
-    titlebar_ref(tb);
-    return luaA_settype(globalconf.L, "titlebar");
-}
-
 /** Convert a titlebar to a printable string.
  * \param L The Lua VM state.
  * \return The number of value pushed.
@@ -510,9 +501,6 @@ luaA_titlebar_tostring(lua_State *L)
     return 1;
 }
 
-DO_LUA_GC(titlebar_t, titlebar, "titlebar", titlebar_unref)
-DO_LUA_EQ(titlebar_t, titlebar, "titlebar")
-
 const struct luaL_reg awesome_titlebar_methods[] =
 {
     { "new", luaA_titlebar_new },
diff --git a/titlebar.h b/titlebar.h
index b1ea0d56f..106b64937 100644
--- a/titlebar.h
+++ b/titlebar.h
@@ -30,7 +30,7 @@ void titlebar_geometry_compute(client_t *, area_t, area_t *);
 void titlebar_draw(client_t *);
 void titlebar_init(client_t *);
 
-int luaA_titlebar_userdata_new(titlebar_t *);
+int luaA_titlebar_userdata_new(lua_State *, titlebar_t *);
 
 /** Add the titlebar geometry to a geometry.
  * \param t The titlebar
diff --git a/widget.c b/widget.c
index 547e30071..37daf3c6e 100644
--- a/widget.c
+++ b/widget.c
@@ -34,6 +34,10 @@
 
 extern awesome_t globalconf;
 
+DO_LUA_NEW(extern, widget_t, widget, "widget", widget_ref)
+DO_LUA_GC(widget_t, widget, "widget", widget_unref)
+DO_LUA_EQ(widget_t, widget, "widget")
+
 #include "widgetgen.h"
 
 /** Compute offset for drawing the first pixel of a widget.
@@ -94,7 +98,7 @@ widget_common_button_press(widget_node_t *w,
     for(b = w->widget->buttons; b; b = b->next)
         if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
         {
-            luaA_pushpointer(p, type);
+            luaA_pushpointer(globalconf.L, p, type);
             luaA_dofunction(globalconf.L, b->fct, 1);
         }
 }
@@ -291,19 +295,6 @@ widget_invalidate_bywidget(widget_t *widget)
                     titlebar_draw(c);
 }
 
-/** Create a new widget userdata. The object is pushed on the stack.
- * \param widget The widget.
- * \return Return luaA_settype() return value.
- */
-int
-luaA_widget_userdata_new(widget_t *widget)
-{
-    widget_t **w = lua_newuserdata(globalconf.L, sizeof(widget_t *));
-    *w = widget;
-    widget_ref(w);
-    return luaA_settype(globalconf.L, "widget");
-}
-
 /** Create a new widget.
  * \param L The Lua VM state.
  *
@@ -337,7 +328,7 @@ luaA_widget_new(lua_State *L)
 
     w->name = luaA_name_init(L);
 
-    return luaA_widget_userdata_new(w);
+    return luaA_widget_userdata_new(L, w);
 }
 
 /** Add a mouse button bindings to a widget.
@@ -517,9 +508,6 @@ luaA_widget_visible_get(lua_State *L)
     return 1;
 }
 
-DO_LUA_GC(widget_t, widget, "widget", widget_unref)
-DO_LUA_EQ(widget_t, widget, "widget")
-
 const struct luaL_reg awesome_widget_methods[] =
 {
     { "new", luaA_widget_new },
diff --git a/widget.h b/widget.h
index 3040aa19f..27108a40e 100644
--- a/widget.h
+++ b/widget.h
@@ -37,7 +37,7 @@ widget_t * widget_getbyname(const char *);
 void widget_tell_managestatus(widget_t *, widget_tell_status_t, const char *);
 void widget_render(widget_node_t *, draw_context_t *, xcb_gcontext_t, xcb_drawable_t, int, position_t, int, int, void *);
 
-int luaA_widget_userdata_new(widget_t *);
+int luaA_widget_userdata_new(lua_State *, widget_t *);
 
 widget_constructor_t taglist_new;
 widget_constructor_t textbox_new;
diff --git a/widgets/taglist.c b/widgets/taglist.c
index 209439633..60988eaa3 100644
--- a/widgets/taglist.c
+++ b/widgets/taglist.c
@@ -231,8 +231,8 @@ taglist_button_press(widget_node_t *w,
                    && ev->event_x < AREA_RIGHT(*area)
                    && (data->show_empty || tag->selected || tag_isoccupied(tag)) )
                 {
-                    luaA_pushpointer(object, type);
-                    luaA_tag_userdata_new(tag);
+                    luaA_pushpointer(globalconf.L, object, type);
+                    luaA_tag_userdata_new(globalconf.L, tag);
                     luaA_dofunction(globalconf.L, b->fct, 2);
                     return;
                 }
diff --git a/widgets/tasklist.c b/widgets/tasklist.c
index 845f138b1..2d774e4cf 100644
--- a/widgets/tasklist.c
+++ b/widgets/tasklist.c
@@ -228,8 +228,8 @@ tasklist_button_press(widget_node_t *w,
         for(b = w->widget->buttons; b; b = b->next)
             if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
             {
-                luaA_pushpointer(object, type);
-                luaA_client_userdata_new(c);
+                luaA_pushpointer(globalconf.L, object, type);
+                luaA_client_userdata_new(globalconf.L, c);
                 luaA_dofunction(globalconf.L, b->fct, 2);
             }
 }