diff --git a/.bin/backup-and-update-system b/.bin/backup-and-update-system
index 4f21154..14dc9b2 100755
--- a/.bin/backup-and-update-system
+++ b/.bin/backup-and-update-system
@@ -2,6 +2,8 @@
 
 set -xeuo pipefail
 
+backup_ssh="kunsi-t470@backup-kunsi.htz-hel.kunbox.net"
+
 # Push some git repos
 pass git push
 git --git-dir=$HOME/.cfg/ --work-tree=$HOME push
@@ -13,6 +15,7 @@ do
 done
 
 # Do a backup.
+ssh $backup_ssh "sudo /usr/local/bin/rotate-single-backup-client kunsi-t470"
 (
     rsync -zaAP --numeric-ids --delete --relative \
         --rsync-path="/usr/bin/rsync --fake-super" \
@@ -34,7 +37,7 @@ done
         --exclude "/home/kunsi/VirtualBox VMs/" \
         --exclude "/home/kunsi/qemu/Windows_10.qcow2" \
         --exclude "/home/kunsi/tmp.*/" \
-        "/home/kunsi" "kunsi-t470@htz-hel.backup-kunsi":backups/
+        "/home/kunsi" "$backup_ssh":backups/
 
     # Exit code 24 means some files have vanished during rsync.
     # I don't know why, but this is very common, apparently?