diff --git a/cloudron.js b/cloudron.js
index 75bc94a..fee63cb 100644
--- a/cloudron.js
+++ b/cloudron.js
@@ -284,7 +284,7 @@ Cloudron.prototype.backup = function () {
     common.verifyResponse2xx(res, 'Could not get backups');
     var latestBackups = res.body.backups;
     assert.strictEqual(latestBackups.length, existingBackups.length + 1);
-    return latestBackups[0]; // { creationTime, boxVersion, filename, dependsOn }
+    return latestBackups[0]; // { creationTime, boxVersion, id, dependsOn }
 };
 
 Cloudron.prototype.reboot = function () {
diff --git a/test/cloudron-backup-test.js b/test/cloudron-backup-test.js
index 98f70b6..0ee9d6f 100644
--- a/test/cloudron-backup-test.js
+++ b/test/cloudron-backup-test.js
@@ -82,7 +82,7 @@ describe('Cloudron backup testing', function () {
     });
 
     it('can restore the box', function () {
-        appStore.restore(box.id, backupInfo.filename);
+        appStore.restore(box.id, backupInfo.id);
         box = appStore.waitForCloudron(box.id);
     });
 
diff --git a/test/custom-domain-test.js b/test/custom-domain-test.js
index 0a19ae8..f6d4ef0 100644
--- a/test/custom-domain-test.js
+++ b/test/custom-domain-test.js
@@ -132,7 +132,7 @@ describe('Custom domain test', function () {
     });
 
     it('can restore the box', function () {
-        appStore.restore(box.id, backupInfo.filename);
+        appStore.restore(box.id, backupInfo.id);
         box = appStore.waitForCloudron(box.id);
     });