diff --git a/addons/mail/res_users.py b/addons/mail/res_users.py
index 4ceaebdd8fd..6c85e625e46 100644
--- a/addons/mail/res_users.py
+++ b/addons/mail/res_users.py
@@ -52,17 +52,21 @@ class res_users(osv.osv):
         # create a welcome message to broadcast
         company_name = user.company_id.name if user.company_id else 'the company'
         message = _('%s has joined %s! You may leave him/her a message to celebrate a new arrival in the company ! You can help him/her doing its first steps on OpenERP.') % (user.name, company_name)
-        self.message_append_note(cr, uid, [user.id], 'Welcome notification', message, context=context)
+        self.message_broadcast(cr, uid, [user.id], 'Welcome notification', message, context=context)
         return user_id
 
     def message_load_ids(self, cr, uid, ids, limit=100, offset=0, domain=[], ascent=False, root_ids=[False], context=None):
+        """ Override of message_load_ids
+            User discussion page :
+            - messages posted on res.users, res_id = user.id
+            - messages directly sent to user with @user_login
+        """
         if context is None:
             context = {}
-        user_data = self.read(cr, uid, ids, ['id', 'login'], context=context)
         msg_obj = self.pool.get('mail.message')
         msg_ids = []
-        for x_id in range(0, len(ids)):
-            msg_ids += msg_obj.search(cr, uid, ['|', ('body_text', 'like', '@%s' % (user_data[x_id]['login'])), '&', ('res_id', '=', ids[x_id]), ('model', '=', self._name)] + domain,
+        for user in self.browse(cr, uid, ids, context=context):
+            msg_ids += msg_obj.search(cr, uid, ['|', '|', ('body_text', 'like', '@%s' % (user.login)), ('body_html', 'like', '@%s' % (user.login)), '&', ('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