diff --git a/xCAT-test/autotest/testcase/xcat_inventory/validatehelper b/xCAT-test/autotest/testcase/xcat_inventory/validatehelper
index 2609acaa4..f903873df 100755
--- a/xCAT-test/autotest/testcase/xcat_inventory/validatehelper
+++ b/xCAT-test/autotest/testcase/xcat_inventory/validatehelper
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 from __future__ import print_function
 
 import yaml