diff --git a/tests/http_pipe.py b/tests/http_pipe.py
index bc32173843..95389f494a 100755
--- a/tests/http_pipe.py
+++ b/tests/http_pipe.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright 2012 Google Inc. All Rights Reserved.
 #