diff --git a/openvdb.spec b/openvdb.spec
index 75bc654..613ae36 100644
--- a/openvdb.spec
+++ b/openvdb.spec
@@ -1,6 +1,3 @@
-%global python_version %(%{__python3} -c "import sys ; print(sys.version[:3])")
-%{!?python3_sitearch: %global python3_sitearch %(%{__python3} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
-
 # Set to 1 to enable testsuite. Fails everywhere with GCC 8+.
 %global with_tests 0
 
@@ -130,7 +127,7 @@ find %{buildroot} -name '*.a' -delete
 %{_libdir}/*.so.*
 
 %files python3
-%{_libdir}/python%{python_version}/py%{name}.so
+%{python3_sitearch}/py%{name}.so
 
 %files devel
 %doc html