diff --git a/xxdiff.spec b/xxdiff.spec
index 5a583e7..f863e2f 100644
--- a/xxdiff.spec
+++ b/xxdiff.spec
@@ -38,7 +38,7 @@ export CXXFLAGS
 %{__sed} -i -e "s/^CFLAGS\s*=/CFLAGS +=/g" src/Makefile
 %{__sed} -i -e "s/^CXXFLAGS\s*=/CXXFLAGS +=/g" src/Makefile
 %{__make} -C src %{?_smp_mflags}
-%{__python} setup.py build
+%py2_build
 
 find ./build  -name \*.py  -print  -exec %{__sed} -i "1{/^#\!/d}" {} \;