diff --git a/addons/mail/res_partner.py b/addons/mail/res_partner.py
index 4e6edd011c8..d2d4e7d4824 100644
--- a/addons/mail/res_partner.py
+++ b/addons/mail/res_partner.py
@@ -41,7 +41,7 @@ class res_partner(osv.osv):
         msg_obj = self.pool.get('mail.message')
         msg_ids = []
         for user in self.browse(cr, uid, ids, context=context):
-            msg_ids += msg_obj.search(cr, uid, [('partner_id', '=', user.id)] + domain,
+            msg_ids += msg_obj.search(cr, uid, ['|',('partner_id', '=', user.id), '&', ('res_id', '=', user.id), ('model', '=', self._name)] + domain,
             limit=limit, offset=offset, context=context)
         if (ascent): msg_ids = self._message_add_ancestor_ids(cr, uid, ids, msg_ids, root_ids, context=context)
         return msg_ids