diff --git a/python/run-tests.py b/python/run-tests.py
index d2584758c5c14..b24c1b74de5d9 100755
--- a/python/run-tests.py
+++ b/python/run-tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env
+#!/usr/bin/env python
 
 #
 # Licensed to the Apache Software Foundation (ASF) under one or more