diff --git a/addons/mail/mail_alias.py b/addons/mail/mail_alias.py
index 70280e64a5d..47916c2660e 100644
--- a/addons/mail/mail_alias.py
+++ b/addons/mail/mail_alias.py
@@ -59,10 +59,11 @@ class mail_alias(osv.Model):
 
     def _get_alias_domain(self, cr, uid, ids, name, args, context=None):
         ir_config_parameter = self.pool.get("ir.config_parameter")
-        domain = ir_config_parameter.get_param(cr, uid, "mail.catchall.domain", context=context)   
+        domain = ir_config_parameter.get_param(cr, uid, "mail.catchall.domain", context=context)
         return dict.fromkeys(ids, domain or "")
 
     _columns = {
+        'alias_force_id': fields.integer('Alias Force Id'),
         'alias_name': fields.char('Alias', required=True,
                             help="The name of the email alias, e.g. 'jobs' "
                                  "if you want to catch emails for <jobs@example.my.openerp.com>",),
diff --git a/addons/mail/mail_followers_view.xml b/addons/mail/mail_followers_view.xml
index 62e93430675..8b19d51ca2a 100644
--- a/addons/mail/mail_followers_view.xml
+++ b/addons/mail/mail_followers_view.xml
@@ -6,7 +6,6 @@
         <record model="ir.ui.view" id="view_followers_tree">
             <field name="name">mail.followers.tree</field>
             <field name="model">mail.followers</field>
-            <field name="type">tree</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
                 <tree string="Followers">
diff --git a/addons/mail/mail_group.py b/addons/mail/mail_group.py
index 6a14fef83aa..39a1707bc8a 100644
--- a/addons/mail/mail_group.py
+++ b/addons/mail/mail_group.py
@@ -98,7 +98,7 @@ class mail_group(osv.Model):
                  "Use this field anywhere a small image is required."),
         'last_month_msg_nbr': fields.function(_get_last_month_msg_nbr, type='integer',
             string='Messages count for last month'),
-        'alias_id': fields.many2one('mail.alias', 'Alias', ondelete="cascade", 
+        'alias_id': fields.many2one('mail.alias', 'Alias', required=True, ondelete="cascade",
                                     help="The email address associated with this group. New emails received will automatically "
                                          "create new topics."),
     }