diff --git a/libkolabxml.spec b/libkolabxml.spec
index 78dda5f..3f63e25 100644
--- a/libkolabxml.spec
+++ b/libkolabxml.spec
@@ -1,3 +1,6 @@
+%{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
+%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
+
 Name:           libkolabxml
 Version:        0.3
 Release:        0.1%{?dist}