diff --git a/ls47.py b/ls47.py
index cb9f555..e942026 100755
--- a/ls47.py
+++ b/ls47.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
 # This software is hereby released into public domain. Use it wisely.