diff --git a/python-lxml.spec b/python-lxml.spec
index da7d371..af5e8fa 100644
--- a/python-lxml.spec
+++ b/python-lxml.spec
@@ -29,11 +29,11 @@ unlike the default bindings.
 chmod a-x doc/rest2html.py
 
 %build
-CFLAGS="%{optflags}" %{__python} -c 'import setuptools; execfile("setup.py")' build
+CFLAGS="%{optflags}" %{__python} setup.py build
 
 %install
 rm -rf %{buildroot}
-%{__python} -c 'import setuptools; execfile("setup.py")' install --skip-build --root %{buildroot}
+%{__python} setup.py install --skip-build --root %{buildroot}
 
 %clean
 rm -rf %{buildroot}