diff --git a/zypp-plugin.spec b/zypp-plugin.spec
index d4cb841..d56eb50 100644
--- a/zypp-plugin.spec
+++ b/zypp-plugin.spec
@@ -30,6 +30,8 @@ Source0:	%{name}-%{version}.tar.bz2
 BuildRequires:	python-devel
 Requires:	python
 
+%{?!py_sitedir: %global py_sitedir %(python -c 'from distutils.sysconfig import get_python_lib; print get_python_lib()')}
+
 %description
 Empty main package. Helper for different languages reside in subpackages.