diff --git a/addons/mail/mail_message.py b/addons/mail/mail_message.py
index b96b6e3791e..14de51b39ab 100644
--- a/addons/mail/mail_message.py
+++ b/addons/mail/mail_message.py
@@ -230,6 +230,7 @@ class mail_message(osv.Model):
             select=True, ondelete='set null',
             help="Parent message, used for displaying as threads with hierarchy"),
         'child_ids': fields.one2many('mail.message', 'parent_id', 'Child Messages'),
+        'subtype_id': fields.many2one('mail.message.subtype', 'Subtype', select = True),
     }
         
     _defaults = {
diff --git a/addons/mail/mail_message_view.xml b/addons/mail/mail_message_view.xml
index 986bb4bef38..374b97624b1 100644
--- a/addons/mail/mail_message_view.xml
+++ b/addons/mail/mail_message_view.xml
@@ -152,6 +152,7 @@
                                     <group>
                                         <field name="auto_delete"/>
                                         <field name="type"/>
+                                        <field name="subtype_id"/>
                                         <field name="content_subtype"/>
                                         <field name="state" colspan="2"/>
                                         <field name="mail_server_id"/>