diff --git a/PySolFC.spec b/PySolFC.spec
index bc8ccdf..8ad8e54 100644
--- a/PySolFC.spec
+++ b/PySolFC.spec
@@ -41,7 +41,7 @@ written plug-ins, an integrated HTML help browser, and lots of documentation.
 %patch1 -p1
 
 %build
-CFLAGS="$RPM_OPT_FLAGS" %{__python} setup.py build
+%py2_build
 
 %install
 rm -rf $RPM_BUILD_ROOT