diff --git a/pyflowtools.spec b/pyflowtools.spec
index 4200164..fbe46c1 100644
--- a/pyflowtools.spec
+++ b/pyflowtools.spec
@@ -27,11 +27,11 @@ OSU FlowTools into python program for further analysis.
 
 %build
 export libdirname=%{_lib}
-CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
+%py3_build
 
 %install
 export libdirname=%{_lib}
-%{__python3} setup.py install --root=$RPM_BUILD_ROOT
+%py3_install
 
 %files
 %doc COPYING CHANGES README example.py flowprint-full