Index: setup.cfg
--- setup.cfg.orig
+++ setup.cfg
@@ -4,8 +4,8 @@ requires = python-twisted
 post-install = distro/redhat/misc/postinstall
 
 [install]
-prefix = /opt/graphite
-install-lib = %(prefix)s/lib
+prefix = ${PREFIX}
+install-lib = ${MODPY_SITEPKG}
 
 [egg_info]
 tag_build =