diff --git a/policycoreutils.spec b/policycoreutils.spec
index d864f5d..8c65b0b 100644
--- a/policycoreutils.spec
+++ b/policycoreutils.spec
@@ -177,10 +177,10 @@ fi
 
 %post
 /sbin/chkconfig --add restorecond
-[ -x /sbin/service ] && /sbin/service restorecond condrestart  > /dev/null
-/usr/bin/sepolgen-ifgen  > /dev/null 2&>1
-exit 0
+[ -f /usr/share/selinux/devel/include/build.conf ] && /usr/bin/sepolgen-ifgen  > /dev/null 
 
+%postun
+[ -x /sbin/service ] && /sbin/service restorecond condrestart  > /dev/null
 
 %changelog
 * Fri Feb 23 2007 Dan Walsh <dwalsh@redhat.com> 2.0.6-1