diff --git a/ROOT/DEBIAN/control b/ROOT/DEBIAN/control
index cd02d643c9d5e5ad01ee61806a33676fbe512127..920b55ff4050629a73c80b4552a5084bdcb32554 100644
--- a/ROOT/DEBIAN/control
+++ b/ROOT/DEBIAN/control
@@ -3,6 +3,6 @@ Priority: optional
 Section: otherosfs
 Maintainer: Chemistry COs <support@ch.cam.ac.uk>
 Architecture: all
-Version: 0.9-ch76
+Version: 0.9-ch77
 Depends: zfs-dkms, postgresql-13 | postgresql-9.5 | postgresql-9.4 , liblockfile-simple-perl, libdbi-perl, libjson-perl, libzfs-perl-chem, libnet-openssh-perl, libdbd-pg-perl, mbuffer, rsync, nfs-kernel-server, pv, libwww-curl-perl
 Description: a backup system using ZFS (repository 'backup-scheduler')
diff --git a/ROOT/usr/lib/chem-zfs-backup-server/new-backup-rsnapshot b/ROOT/usr/lib/chem-zfs-backup-server/new-backup-rsnapshot
index c2f7ba94aebdeffce25bd2a647e34e5508ff5d8a..419f9ca3d8b7de9b04c6ee5d984928db486a78b6 100755
--- a/ROOT/usr/lib/chem-zfs-backup-server/new-backup-rsnapshot
+++ b/ROOT/usr/lib/chem-zfs-backup-server/new-backup-rsnapshot
@@ -137,7 +137,7 @@ function getsshkey() {
 HOSTID=`ensurehost $FQDN`
 echo Host ID is $HOSTID
 ensurezfs $TGT
-$ZFSCMD set sharenfs=ro=${FQDN},no_root_squash $TGT
+$ZFSCMD set sharenfs=ro=${FQDN},no_root_squash,crossmnt $TGT
 
 # Do root backup
 backupdir $FQDN $TGT/zfs-rsnap /