diff --git a/pyproj.spec b/pyproj.spec
index cfdafac..610b654 100644
--- a/pyproj.spec
+++ b/pyproj.spec
@@ -117,7 +117,7 @@ CFLAGS="%{optflags}" %{__python2} setup.py build
 
 %if 0%{?with_python3}
 pushd %{py3dir}
-CFLAGS="%{optflags}" %{__python3} setup.py build
+%py3_build
 popd
 %endif # if with_python3
 
@@ -133,7 +133,7 @@ chrpath -d %{buildroot}/%{python2_sitearch}/%{name}/*.so
 
 %if 0%{?with_python3}
 pushd %{py3dir}
-%{__python3} setup.py install --skip-build --root %{buildroot}
+%py3_install
 
 # correct wrong write permission for group
 chmod 755  %{buildroot}/%{python3_sitearch}/%{name}/*.so