--- iptables.SlackBuild	2006-09-03 02:14:55.000000000 -0400
+++ iptables.SlackBuild.s390x	2007-01-17 19:11:41.000000000 -0500
@@ -14,7 +14,7 @@
 tar xjvf $CWD/iptables-$VERSION.tar.bz2
 cd iptables-$VERSION
 chown -R root:root .
-zcat $CWD/iptables.prefix.diff.gz | patch -p1 || exit
+zcat $CWD/iptables.prefix.diff.s390x.gz | patch -p1 --backup --suffix=.orig || exit
 make
 make install DESTDIR=$PKG
 make install-devel DESTDIR=$PKG