diff --git a/pyparted.spec b/pyparted.spec
index 290bdd3..96d11a4 100644
--- a/pyparted.spec
+++ b/pyparted.spec
@@ -1,9 +1,9 @@
-%{!?python_sitearch: %define python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
+%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
 
 Summary: Python module for GNU parted
 Name:    pyparted
 Version: 2.5
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPLv2+
 Group:   System Environment/Libraries
 URL:     http://fedorahosted.org/pyparted
@@ -44,6 +44,11 @@ partition tables.
 %{python_sitearch}/parted
 
 %changelog
+* Thu Jan  7 2010 Hans de Goede <hdegoede@redhat.com> - 2.5-3
+- Change python_sitearch macro to use %%global as the new rpm will break
+  using %%define here, see:
+  https://www.redhat.com/archives/fedora-devel-list/2010-January/msg00093.html
+
 * Sat Dec 19 2009 David Cantrell <dcantrell@redhat.com> - 2.5-2
 - Exclude pyparted-2.4.tar.gz from source RPM (oops)