diff --git a/src/ZODB/fsIndex.py b/src/ZODB/fsIndex.py
index b9a4c5dad238d184cfdadf73a0fce7ea703abb3e..ab8635534b8b155874b8ec29797c05fff8dd6ca8 100644
--- a/src/ZODB/fsIndex.py
+++ b/src/ZODB/fsIndex.py
@@ -39,6 +39,8 @@
 # bytes back before using u64 to convert the data back to (long)
 # integers.
 
+from __future__ import with_statement
+
 import cPickle
 import struct