diff -Nru mailman-2.1.11.orig/bin/msgfmt.py mailman-2.1.11/bin/msgfmt.py
--- mailman-2.1.11.orig/bin/msgfmt.py	2008-06-30 18:29:46.000000000 +0200
+++ mailman-2.1.11/bin/msgfmt.py	2008-12-05 15:01:05.000000000 +0100
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2.4
 # -*- coding: iso-8859-1 -*-
 # Written by Martin v. Löwis <loewis@informatik.hu-berlin.de>
 
diff -Nru mailman-2.1.11.orig/Mailman/Archiver/pipermail.py mailman-2.1.11/Mailman/Archiver/pipermail.py
--- mailman-2.1.11.orig/Mailman/Archiver/pipermail.py	2008-06-30 18:29:46.000000000 +0200
+++ mailman-2.1.11/Mailman/Archiver/pipermail.py	2008-12-05 15:01:27.000000000 +0100
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2.4
 
 from __future__ import nested_scopes
 
diff -Nru mailman-2.1.11.orig/Mailman/Post.py mailman-2.1.11/Mailman/Post.py
--- mailman-2.1.11.orig/Mailman/Post.py	2008-06-30 18:29:46.000000000 +0200
+++ mailman-2.1.11/Mailman/Post.py	2008-12-05 15:01:16.000000000 +0100
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2.4
 #
 # Copyright (C) 2001,2002 by the Free Software Foundation, Inc.
 #
diff -Nru mailman-2.1.11.orig/tests/fblast.py mailman-2.1.11/tests/fblast.py
--- mailman-2.1.11.orig/tests/fblast.py	2008-06-30 18:29:46.000000000 +0200
+++ mailman-2.1.11/tests/fblast.py	2008-12-05 15:01:56.000000000 +0100
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2.4
 """Throw email at Mailman as fast as you can.
 
 This is not a unit test, it's a functional test, so you can't run it within
diff -Nru mailman-2.1.11.orig/tests/onebounce.py mailman-2.1.11/tests/onebounce.py
--- mailman-2.1.11.orig/tests/onebounce.py	2008-06-30 18:29:46.000000000 +0200
+++ mailman-2.1.11/tests/onebounce.py	2008-12-05 15:01:42.000000000 +0100
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2.4
 
 # Copyright (C) 2002 by the Free Software Foundation, Inc.
 #