diff --git a/scripts/backup-aws-s3.sh b/scripts/backup-aws-s3.sh
index 41a269d0..9e62cb79 100755
--- a/scripts/backup-aws-s3.sh
+++ b/scripts/backup-aws-s3.sh
@@ -20,24 +20,29 @@ for ENV_VARIABLE in "${ENV_VARIABLES[@]}"; do
     export ${ENV_VARIABLE_VALUE}
 done
 
-# create bucket skynet-backup-[portaldomain] (portal domain is stripped of all non alnum characters)
-# ie. siasky.net backup results in skynet-backup-siaskynet basket name
-BUCKET_NAME=$(echo skynet-backup-${PORTAL_DOMAIN} | tr -cd '[[:alnum:]]-')
+# create bucket skynet-backup-[portaldomain] (replace dots with dashes and strip anything other than alnum)
+# ie. siasky.net backup results in skynet-backup-siasky-net basket name
+BUCKET_NAME=$(echo skynet-backup-${PORTAL_DOMAIN} | tr  '.'  '-' | tr -cd '[[:alnum:]]-')
 
 # create server prefix
 if test -z "${SERVER_DOMAIN}"; then
-    SERVER_PREFIX=$(echo ${SERVER_UID} | tr -cd '[[:alnum:]]-') # if domain name is empty use just uid
+    # if domain name is empty use just uid (replace dots with dashes and strip anything other than alnum)
+    SERVER_PREFIX=$(echo ${SERVER_UID} | tr  '.'  '-' | tr -cd '[[:alnum:]]-')
 else
-    SERVER_PREFIX=$(echo ${SERVER_UID}-${SERVER_DOMAIN} | tr -cd '[[:alnum:]]-') # use both uid and server domain if available
+    # use both uid and server domain if available (replace dots with dashes and strip anything other than alnum)
+    SERVER_PREFIX=$(echo ${SERVER_UID}-${SERVER_DOMAIN} | tr  '.'  '-' | tr -cd '[[:alnum:]]-')
 fi
 
 aws s3api create-bucket --acl private --bucket ${BUCKET_NAME}
 
 # sync all nginx logs
+mkdir -p /home/user/skynet-webportal/docker/data/nginx/logs # ensure path exists
 aws s3 sync --no-progress /home/user/skynet-webportal/docker/data/nginx/logs s3://${BUCKET_NAME}/${SERVER_PREFIX}/docker/data/nginx/logs
 
-# generate and sync skylinks
-docker exec sia siac skynet ls --recursive --alert-suppress > /home/user/skynet-webportal/logs/skylinks-$(date +"%Y-%m-%d").log
-aws s3 cp --no-progress /home/user/skynet-webportal/logs/skylinks.log s3://${BUCKET_NAME}/${SERVER_PREFIX}/logs/skylinks.log
+# generate and sync skylinks dump
+SKYLINKS_PATH=logs/skylinks/$(date +"%Y-%m-%d").log
+mkdir -p /home/user/skynet-webportal/logs/skylinks # ensure path exists
+docker exec sia siac skynet ls --recursive --alert-suppress > /home/user/skynet-webportal/${SKYLINKS_PATH}
+aws s3 cp --no-progress /home/user/skynet-webportal/${SKYLINKS_PATH} s3://${BUCKET_NAME}/${SERVER_PREFIX}/${SKYLINKS_PATH}
 
 echo "`date +"%Y-%m-%d %H:%M"` Backup finished successfully"
diff --git a/setup-scripts/support/crontab b/setup-scripts/support/crontab
index 55174afd..2181d09c 100644
--- a/setup-scripts/support/crontab
+++ b/setup-scripts/support/crontab
@@ -2,7 +2,7 @@
 0 0,8,16 * * * /home/user/skynet-webportal/setup-scripts/log-checker.py /home/user/skynet-webportal/.env sia 8
 0 * * * * /home/user/skynet-webportal/setup-scripts/health-checker.py /home/user/skynet-webportal/.env sia 1
 30 */4 * * * /home/user/skynet-webportal/setup-scripts/blocklist-airtable.py /home/user/skynet-webportal/.env
-44 */8 * * * /home/user/skynet-webportal/scripts/backup-aws-s3.sh 1>>/home/user/skynet-webportal/logs/backup-aws-s3.log 2>>/home/user/skynet-webportal/logs/backup-aws-s3.log
+44 5 * * * /home/user/skynet-webportal/scripts/backup-aws-s3.sh 1>>/home/user/skynet-webportal/logs/backup-aws-s3.log 2>>/home/user/skynet-webportal/logs/backup-aws-s3.log
 6 13 * * * /home/user/skynet-webportal/scripts/db_backup.sh 1>>/home/user/skynet-webportal/logs/db_backup.log 2>>/home/user/skynet-webportal/logs/db_backup.log
 0 5 * * * /home/user/skynet-webportal/scripts/es_cleaner.py 1 http://localhost:9200
 15 * * * * /home/user/skynet-webportal/scripts/nginx-prune.sh