diff --git a/addons/auth_signup/res_users.py b/addons/auth_signup/res_users.py
index 5fd7917f444..4da88315466 100644
--- a/addons/auth_signup/res_users.py
+++ b/addons/auth_signup/res_users.py
@@ -246,7 +246,7 @@ class res_users(osv.Model):
         for user in self.browse(cr, uid, ids, context):
             if not user.email:
                 raise osv.except_osv(_("Cannot send email: user has no email address."), user.name)
-            self.pool.get('email.template').send_mail(cr, uid, template.id, user.id, context=context)
+            self.pool.get('email.template').send_mail(cr, uid, template.id, user.id, True, context=context)
 
         return True