diff --git a/swarm/seafile.yml b/swarm/seafile.yml
index 600a67f..f46914c 100644
--- a/swarm/seafile.yml
+++ b/swarm/seafile.yml
@@ -145,7 +145,7 @@ services:
       sh -c "sleep $$BACKUP_INIT_SLEEP &&
       while true; do
         mariadb-dump -h mariadb -u $$SEAFILE_MYSQL_DB_USER -p\"$$SEAFILE_MYSQL_DB_PASSWORD\" --all-databases | gzip > \"$$MARIADB_BACKUPS_PATH/$$MARIADB_BACKUP_NAME-$$(date '+%Y-%m-%d_%H-%M').gz\" &&
-        tar -zcpf $$DATA_BACKUPS_PATH/$$DATA_BACKUP_NAME-$$(date \"+%Y-%m-%d_%H-%M\").tar.gz $$DATA_PATH &&
+        tar -zcpf $$DATA_BACKUPS_PATH/$$DATA_BACKUP_NAME-$$(date \"+%Y-%m-%d_%H-%M\").tar.gz -C / $$DATA_PATH &&
         find $$MARIADB_BACKUPS_PATH -type f -mtime +$$MARIADB_BACKUP_PRUNE_DAYS | xargs rm -f &&
         find $$DATA_BACKUPS_PATH -type f -mtime +$$DATA_BACKUP_PRUNE_DAYS | xargs rm -f;
         sleep $$BACKUP_INTERVAL; done"
@@ -155,8 +155,8 @@ services:
       - seafile-data-backups:${DATA_BACKUPS_PATH}
       - seafile-database-backups:${MARIADB_BACKUPS_PATH}
     environment:
-      SEAFILE_DB_USER: ${SEAFILE_MYSQL_DB_USER}
-      SEAFILE_DB_PASSWORD: ${SEAFILE_MYSQL_DB_PASSWORD}
+      SEAFILE_MYSQL_DB_USER: ${SEAFILE_MYSQL_DB_USER}
+      SEAFILE_MYSQL_DB_PASSWORD: ${SEAFILE_MYSQL_DB_PASSWORD}
       MARIADB_ROOT_PASSWORD: ${INIT_SEAFILE_MYSQL_ROOT_PASSWORD}
       BACKUP_INIT_SLEEP: ${BACKUP_INIT_SLEEP}
       BACKUP_INTERVAL: ${BACKUP_INTERVAL}