diff --git a/addons/hr/hr.py b/addons/hr/hr.py
index c4727730464..92bde22086e 100644
--- a/addons/hr/hr.py
+++ b/addons/hr/hr.py
@@ -215,7 +215,9 @@ class hr_employee(osv.osv):
         try:
             (model, mail_group_id) = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'mail', 'group_all_employees')
             employee = self.browse(cr, uid, employee_id, context=context)
-            self.pool.get('mail.group').message_post(cr, uid, [mail_group_id], body='Welcome to %s! Please help them take the first steps with OpenERP!' % (employee.name), context=context)
+            self.pool.get('mail.group').message_post(cr, uid, [mail_group_id],
+                body='Welcome to %s! Please help them take the first steps with OpenERP!' % (employee.name),
+                subtype='mail.mt_comment', context=context)
         except:
             pass # group deleted: do not push a message
         return employee_id