diff --git a/migrations/20170919185109-settings-set-backupFolder.js b/migrations/20170919185109-settings-set-backupConfig-defaults.js
similarity index 70%
rename from migrations/20170919185109-settings-set-backupFolder.js
rename to migrations/20170919185109-settings-set-backupConfig-defaults.js
index 404239145..91dec1660 100644
--- a/migrations/20170919185109-settings-set-backupFolder.js
+++ b/migrations/20170919185109-settings-set-backupConfig-defaults.js
@@ -1,14 +1,16 @@
 'use strict';
 
-// ensure backupFolder has not empty
+// ensure backupFolder and format are not empty
 exports.up = function(db, callback) {
     db.all('SELECT * FROM settings WHERE name=?', [ 'backup_config' ], function (error, result) {
         if (error || result.length === 0) return callback(error);
 
         var value = JSON.parse(result[0].value);
-        if (value.provider !== 'filesystem' || value.backupFolder) return callback();
+        value.format = 'tgz'; // set the format
 
-        value.backupFolder = '/var/backups';
+        if (value.provider === 'filesystem' && !value.backupFolder) {
+            value.backupFolder = '/var/backups'; // set the backupFolder
+        }
 
         db.runSql('UPDATE settings SET value = ? WHERE name = ?', [ JSON.stringify(value), 'backup_config' ], function (error) {
             if (error) console.error('Error setting ownerid ' + JSON.stringify(u) + error);
diff --git a/scripts/cloudron-setup b/scripts/cloudron-setup
index de179e187..c21b3431c 100755
--- a/scripts/cloudron-setup
+++ b/scripts/cloudron-setup
@@ -209,6 +209,7 @@ if [[ -z "${dataJson}" ]]; then
             "provider": "filesystem",
             "backupFolder": "/var/backups",
             "key": "${encryptionKey}",
+            "format": "tgz",
             "retentionSecs": 172800
         },
         "updateConfig": {