diff --git a/setup.py b/setup.py
index d2b10b2..ab83dd1 100755
--- a/setup.py
+++ b/setup.py
@@ -45,6 +45,7 @@ if sys.version_info[0] >= 3:
         'ubuntu-build',
         'ubuntu-iso',
         'ubuntu-upload-permission',
+        'update-maintainer',
     ]
     data_files = [
         ('share/bash-completion/completions', glob.glob("bash_completion/*")),
@@ -56,7 +57,6 @@ else:
     scripts = [
         'import-bug-from-debian',
         'merge-changelog',
-        'update-maintainer',
     ]
     data_files = []
 
diff --git a/update-maintainer b/update-maintainer
index ebe213b..95f551c 100755
--- a/update-maintainer
+++ b/update-maintainer
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #
 # Copyright (C) 2010, Benjamin Drung <bdrung@ubuntu.com>
 #
@@ -39,8 +39,8 @@ def main():
     (options, args) = parser.parse_args()
 
     if len(args) != 0:
-        print >> sys.stderr, ("%s: Error: Unsupported additional parameters "
-                              "specified: %s") % (script_name, ", ".join(args))
+        print("%s: Error: Unsupported additional parameters specified: %s"
+              % (script_name, ", ".join(args)), file=sys.stderr)
         sys.exit(1)
 
     if not options.restore: