diff --git a/create_potfiles_in.py b/create_potfiles_in.py
old mode 100644
new mode 100755
index 6ccb39e1d..e500a0a06
--- a/create_potfiles_in.py
+++ b/create_potfiles_in.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import os
 
 # Paths to exclude
diff --git a/gettextize.sh b/gettextize.sh
old mode 100644
new mode 100755
diff --git a/msgfmt.py b/msgfmt.py
old mode 100644
new mode 100755
index d9133a2cc..4bda37ebb
--- a/msgfmt.py
+++ b/msgfmt.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # -*- coding: iso-8859-1 -*-
 # Written by Martin v. Lwis <loewis@informatik.hu-berlin.de>
 # Plural forms support added by alexander smishlajev <alex@tycobka.lv>
diff --git a/setup.py b/setup.py
index d5f13b11f..b065c1f08 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #
 # setup.py
 #