diff --git a/bin/addons/base/ir/ir_model.py b/bin/addons/base/ir/ir_model.py
index b5d4fa20875..69729317471 100644
--- a/bin/addons/base/ir/ir_model.py
+++ b/bin/addons/base/ir/ir_model.py
@@ -40,10 +40,10 @@ class ir_model(osv.osv):
     _rec_name = 'name'
     _columns = {
         'name': fields.char('Object Name', size=64, translate=True, required=True),
-        'model': fields.char('Object Name', size=64, required=True, search=1),
+        'model': fields.char('Object Name', size=64, required=True, select=1),
         'info': fields.text('Information'),
         'field_id': fields.one2many('ir.model.fields', 'model_id', 'Fields', required=True),
-        'state': fields.selection([('manual','Custom Object'),('base','Base Object')],'Manualy Created',readonly=1),
+        'state': fields.selection([('manual','Custom Object'),('base','Base Object')],'Manualy Created',readonly=True),
         'access_ids': fields.one2many('ir.model.access', 'model_id', 'Access'),
     }
     _defaults = {
@@ -94,18 +94,19 @@ ir_model()
 class ir_model_grid(osv.osv):
     _name = 'ir.model.grid'
     _table = 'ir_model'
+    _inherit = 'ir.model'
     _description = "Objects Security Grid"
-    _rec_name = 'name'
-    _columns = {
-        'name': fields.char('Object', size=64),
-        'model': fields.char('Object Name', size=64),
-    }
+    #_rec_name = 'name'
+    #_columns = {
+    #    'name': fields.char('Object', size=64),
+    #    'model': fields.char('Object Name', size=64),
+    #}
 
     def create(self, cr, uid, vals, context=None):
         raise osv.except_osv('Error !', 'You cannot add an entry to this view !')
 
     def unlink(self, *args, **argv):
-        raise osv.except_osv('Error !', 'You cannot add an entry to this view !')
+        raise osv.except_osv('Error !', 'You cannot delete an entry of this view !')
 
     def read(self, cr, uid, ids, fields=None, context=None, load='_classic_read'):
         result = super(osv.osv, self).read(cr, uid, ids, fields, context, load)