diff --git a/tools/cpuunclaimed.py b/tools/cpuunclaimed.py
index b862bad..c899398 100755
--- a/tools/cpuunclaimed.py
+++ b/tools/cpuunclaimed.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # @lint-avoid-python-3-compatibility-imports
 #
 # cpuunclaimed   Sample CPU run queues and calculate unclaimed idle CPU.