diff --git a/addons/mail/mail_group.py b/addons/mail/mail_group.py
index faa4bb1c9b4..1824f59e0b9 100644
--- a/addons/mail/mail_group.py
+++ b/addons/mail/mail_group.py
@@ -132,8 +132,7 @@ class mail_group(osv.Model):
             params = {
                 'search_view_id': search_ref and search_ref[1] or False,
                 'domain': [('model','=','mail.group'),('res_id','=',mail_group_id)],
-                'res_model': 'mail.group',
-                'res_id': mail_group_id,
+                'res_model': 'mail.message',
                 'thread_level': 2
             }
             cobj = self.pool.get('ir.actions.client')
diff --git a/addons/mail/mail_message.py b/addons/mail/mail_message.py
index b74df2f8594..b9cb0723a4f 100644
--- a/addons/mail/mail_message.py
+++ b/addons/mail/mail_message.py
@@ -109,6 +109,13 @@ class mail_message(osv.Model):
         'body': fields.html('Content'),
     }
 
+    def _needaction_domain_get(self, cr, uid, context={}):
+        if self._needaction:
+            partner_id = self.pool.get('res.users').browse(cr, uid, uid, context=context).partner_id.id
+            return [('notification_ids.partner_id','=',partner_id),('notification_ids.read','=',False)]
+        return []
+
+
     def _get_default_author(self, cr, uid, context={}):
         return self.pool.get('res.users').browse(cr, uid, uid, context=context).partner_id.id