diff --git a/addons/crm/crm.py b/addons/crm/crm.py
index 3cebf30f3c3..3c51cc87d39 100644
--- a/addons/crm/crm.py
+++ b/addons/crm/crm.py
@@ -747,7 +747,7 @@ class crm_case(osv.osv):
             data = {'state': 'open', 'active': True}
             if not case.user_id:
                 data['user_id'] = uid
-            self.write(cr, uid, ids, data)
+            self.write(cr, uid, ids, {'state': 'open', 'active': True})
         self._action(cr, uid, cases, 'open')
         return True
 
diff --git a/addons/crm/crm_lead.py b/addons/crm/crm_lead.py
index 8863791a28c..31a0c4b9f0c 100644
--- a/addons/crm/crm_lead.py
+++ b/addons/crm/crm_lead.py
@@ -44,15 +44,9 @@ class crm_lead(osv.osv):
         @param *args: Give Tuple Value
         """
 
-        cases = self.browse(cr, uid, ids)
-        for case in cases:
-            data = {'state': 'open', 'active': True}
-            if not case.user_id:
-                data['user_id'] = uid
-            data.update({'date_open': time.strftime('%Y-%m-%d %H:%M:%S')})
-            self.write(cr, uid, ids, data)
-        self._action(cr, uid, cases, 'open')
-        return True
+        res = super(crm_lead, self).case_open(cr, uid, ids, *args)
+        self.write(cr, uid, ids, {'date_open': time.strftime('%Y-%m-%d %H:%M:%S')})
+        return res
 
     def _compute_day(self, cr, uid, ids, fields, args, context={}):
         """
diff --git a/addons/crm/crm_opportunity.py b/addons/crm/crm_opportunity.py
index a13eade4427..58d490346f8 100644
--- a/addons/crm/crm_opportunity.py
+++ b/addons/crm/crm_opportunity.py
@@ -50,15 +50,9 @@ class crm_opportunity(osv.osv):
         @param *args: Give Tuple Value
         """
 
-        cases = self.browse(cr, uid, ids)
-        for case in cases:
-            data = {'state': 'open', 'active': True}
-            if not case.user_id:
-                data['user_id'] = uid
-            data.update({'date_open': time.strftime('%Y-%m-%d %H:%M:%S')})
-            self.write(cr, uid, ids, data)
-        self._action(cr, uid, cases, 'open')
-        return True
+        res = super(crm_opportunity, self).case_open(cr, uid, ids, *args)
+        self.write(cr, uid, ids, {'date_open': time.strftime('%Y-%m-%d %H:%M:%S')})
+        return res
 
     def _compute_day(self, cr, uid, ids, fields, args, context={}):
         """