diff --git a/src/img2pdf.py b/src/img2pdf.py
index 2695125..90795f0 100755
--- a/src/img2pdf.py
+++ b/src/img2pdf.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python2
+
 # Copyright (C) 2012-2014 Johannes 'josch' Schauer <j.schauer at email.de>
 #
 # This program is free software: you can redistribute it and/or