diff --git a/zipdir.py b/zipdir.py
index 6079e08..eb50c96 100644
--- a/zipdir.py
+++ b/zipdir.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 import sys
 import os
 import zlib