diff --git a/dirchanger.py b/dirchanger.py
index 4cc863adb..fd3dc2350 100755
--- a/dirchanger.py
+++ b/dirchanger.py
@@ -1,4 +1,6 @@
-# Copyright 2015 The Meson development team
+#!/usr/bin/env python3
+
+# Copyright 2015-2016 The Meson development team
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.