diff --git a/bin/addons/base/res/res_user.py b/bin/addons/base/res/res_user.py
index 96ccfa52b7b..a33b4ddf28e 100644
--- a/bin/addons/base/res/res_user.py
+++ b/bin/addons/base/res/res_user.py
@@ -170,10 +170,10 @@ class users(osv.osv):
         self.pool.get('ir.rule').domain_get.clear_cache(cr.dbname)
         return res
 
-    def unlink(self, cr, uid, ids):
+    def unlink(self, cr, uid, ids, context=None):
         if 1 in ids:
             raise osv.except_osv(_('Can not remove root user!'), _('You can not remove the admin user as it is used internally for resources created by OpenERP (updates, module installation, ...)'))
-        return super(users, self).unlink(cr, uid, ids)
+        return super(users, self).unlink(cr, uid, ids, context=context)
 
     def name_search(self, cr, user, name='', args=None, operator='ilike', context=None, limit=80):
         if not args: