diff --git a/openerp/addons/base/res/res_users.py b/openerp/addons/base/res/res_users.py
index a2301cec37e..df83f0ac1e3 100644
--- a/openerp/addons/base/res/res_users.py
+++ b/openerp/addons/base/res/res_users.py
@@ -299,8 +299,7 @@ class res_users(osv.osv):
             for id in ids:
                 if id in self._uid_cache[db]:
                     del self._uid_cache[db][id]
-        self.context_get.clear_cache(self, cr)
-
+        self.context_get.clear_cache(self)
         return res
 
     def unlink(self, cr, uid, ids, context=None):