diff --git a/lib/Repository.js b/lib/Repository.js
index d338b261..07a1c280 100644
--- a/lib/Repository.js
+++ b/lib/Repository.js
@@ -713,6 +713,7 @@ class Repository extends Requestable {
     * @return {Promise} - the promise for the http request
     */
    writeFile(branch, path, content, message, options, cb) {
+      options = options || {};
       if (typeof options === 'function') {
          cb = options;
          options = {};