diff -uNr live-helper.orig/helpers/lh_binary_chroot live-helper/helpers/lh_binary_chroot
--- live-helper.orig/helpers/lh_binary_chroot	2008-07-30 20:09:54.000000000 +0200
+++ live-helper/helpers/lh_binary_chroot	2010-03-09 18:49:57.000000000 +0100
@@ -90,7 +90,7 @@
 	${LH_ROOT_COMMAND} cp -a cache/stages_bootstrap chroot
 	${LH_ROOT_COMMAND} touch chroot/chroot.cache
 else
-	${LH_ROOT_COMMAND} cp -a chroot chroot.tmp
+	${LH_ROOT_COMMAND} rsync -ax chroot chroot.tmp
 fi