diff --git a/admin/scripts/joj-container-backup b/admin/scripts/joj-container-backup
index 8d4dd27..77baa47 100755
--- a/admin/scripts/joj-container-backup
+++ b/admin/scripts/joj-container-backup
@@ -12,7 +12,7 @@ bck_update() {
 	LIST=($(zfs list -j -t snapshot | jq -rc '[ .datasets | .[] | {dataset: .dataset, version: .snapshot_name} ] | group_by(.dataset) | map({(.[0].dataset): .[-1].version}) | .[]' | tr "\n" " " | sed 's/[{}:"]/ /g'))
 	for((i=0; i < ${#LIST[@]}; i+=2)); do 
 		zfs snapshot ${LIST[i]}@$DATE
-		zfs send -v -i ${LIST[i]}@${LIST[$((i+1))]} ${LIST[i]}@$DATE | ssh grothendieck.nabla.li zfs recv -F backup/${LIST[i]/joj\/}
+		zfs send -v -i ${LIST[i]}@${LIST[$((i+1))]} ${LIST[i]}@$DATE | ssh 202.121.180.23 zfs recv -F backup/${LIST[i]/joj\/}
 	done
 
 }
@@ -30,13 +30,13 @@ bck_prune() {
 bck_init() {
 
 	zfs snapshot joj/$FS
-	zfs send -v joj/$FS | ssh grothendieck.nabla.li zfs recv -F backup/$FS
+	zfs send -v joj/$FS | ssh 202.121.180.23 zfs recv -F backup/$FS
 
 }
 
 test_net() {
 	
-	if ! ping -c 1 grothendieck.nabla.li; then
+	if ! ping -c 1 202.121.180.23; then
 		echo "Error: backup server cannot be reached."
 		exit 20
 	fi