diff --git a/python-isodate.spec b/python-isodate.spec
index fe34517..6df575a 100644
--- a/python-isodate.spec
+++ b/python-isodate.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-isodate
 #
-# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/python3-isodate.changes b/python3-isodate.changes
index 056f658..7f13be1 100644
--- a/python3-isodate.changes
+++ b/python3-isodate.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jan 30 12:44:40 UTC 2013 - saschpe@suse.de
+
+- Use 2to3 to fix build
+
 -------------------------------------------------------------------
 Sun Jan 13 15:14:42 UTC 2013 - p.drouand@gmail.com
 
diff --git a/python3-isodate.spec b/python3-isodate.spec
index d56bed2..564c738 100644
--- a/python3-isodate.spec
+++ b/python3-isodate.spec
@@ -26,6 +26,7 @@ Group:          Development/Languages/Python
 Source:         http://pypi.python.org/packages/source/i/isodate/isodate-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  python3
+BuildRequires:  python3-2to3
 BuildRequires:  python3-devel
 BuildRequires:  python3-distribute
 BuildArch:      noarch
@@ -41,6 +42,7 @@ option.
 %setup -q -n isodate-%{version}
 
 %build
+2to3 -w -n ./
 python3 setup.py build
 
 %install