diff --git a/bin/addons/base/res/res_user.py b/bin/addons/base/res/res_user.py
index 83b0827a98e..b8c6ff54251 100644
--- a/bin/addons/base/res/res_user.py
+++ b/bin/addons/base/res/res_user.py
@@ -26,6 +26,7 @@ import pytz
 import pooler
 from tools.translate import _
 from service import security
+import netsvc
 
 class groups(osv.osv):
     _name = "res.groups"