diff --git a/mail_base/controllers/main.py b/mail_base/controllers/main.py
index 8812df9..06f8695 100644
--- a/mail_base/controllers/main.py
+++ b/mail_base/controllers/main.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 from openerp.http import request
-import openerp
+from openerp.addons.bus.controllers.main import BusController
 
 
-class MailChatController(openerp.addons.bus.controllers.main.BusController):
+class MailChatController(BusController):
     # -----------------------------
     # Extends BUS Controller Poll
     # -----------------------------