diff --git a/cloudron.js b/cloudron.js
index 13f78b3..899812c 100644
--- a/cloudron.js
+++ b/cloudron.js
@@ -284,7 +284,7 @@ Cloudron.prototype.restoreApp = function (appId, backup) {
 };
 
 Cloudron.prototype.listAppBackups = function (appId) {
-    var res = request.get(this._origin + '/api/v1/apps/' + appId + '/backups').end();
+    var res = request.get(this._origin + '/api/v1/apps/' + appId + '/backups').query({ access_token: this._credentials.accessToken }).end();
     common.verifyResponse2xx(res, 'Could not list backups');
     return res.body.backups;
 };