diff --git a/addons/share/ir_model.py b/addons/share/ir_model.py
index 0927462b5c3..008dd424fa5 100644
--- a/addons/share/ir_model.py
+++ b/addons/share/ir_model.py
@@ -2,7 +2,7 @@
 ##############################################################################
 #
 #    OpenERP, Open Source Management Solution
-#    Copyright (C) 2004-2011 OpenERP S.A. (<http://www.openerp.com>).
+#    Copyright (C) 2010-2012 OpenERP S.A. (<http://www.openerp.com>).
 #
 #    This program is free software: you can redistribute it and/or modify
 #    it under the terms of the GNU Affero General Public License as
@@ -18,9 +18,9 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
-from osv import fields, osv
+from openerp.osv import osv
 
-class ir_model_access(osv.osv):
+class ir_model_access(osv.Model):
     _inherit = 'ir.model.access'
 
     # overload group_names_with_access() to avoid returning sharing groups
@@ -32,17 +32,17 @@ class ir_model_access(osv.osv):
         """
         assert access_mode in ['read','write','create','unlink'], 'Invalid access mode: %s' % access_mode
         cr.execute('''SELECT
-                        g.name
+                        c.name, g.name
                       FROM
-                        ir_model_access a 
-                        JOIN ir_model m ON (a.model_id=m.id) 
+                        ir_model_access a
+                        JOIN ir_model m ON (a.model_id=m.id)
                         JOIN res_groups g ON (a.group_id=g.id)
+                        LEFT JOIN ir_module_category c ON (c.id=g.category_id)
                       WHERE
                         m.model=%s AND
                         (g.share IS NULL or g.share IS false) AND
                         a.perm_''' + access_mode, (model_name,))
-        return [x[0] for x in cr.fetchall()]
-
-ir_model_access()
+        return [('%s/%s' % x) if x[0] else x[1] for x in cr.fetchall()]
+    
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: