diff --git a/grinder.spec b/grinder.spec
index 0e19f5a..d340a17 100644
--- a/grinder.spec
+++ b/grinder.spec
@@ -33,7 +33,7 @@ errata from yum repositories.
 
 
 %build
-%{__python} setup.py build
+%py2_build
 
 
 %install