diff --git a/lib/index.js b/lib/index.js
index <HASH>..<HASH> 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -44,7 +44,7 @@ function initializer(key, base_url, options) {
 }
 
 function parseResponse(err, response, body){
-  let data;
+  var data;
   if (!body) {
     data = err;
   } else {
@@ -67,7 +67,7 @@ function parseResponse(err, response, body){
     err = new Error(err);
     err.code = response.statusCode;
   }
-  return {err, response, data};
+  return {err: err, response: response, data: data};
 }
 
 initializer.prototype._request = function (method, path, params, body, callback){
@@ -96,13 +96,13 @@ initializer.prototype._request = function (method, path, params, body, callback)
   //Initiate HTTP request
   return callback 
   ? request(options, function(err, response, body) {
-      let parsed = parseResponse(err, response, body)
+      var parsed = parseResponse(err, response, body)
 
       return callback(parsed.err, parsed.data, parsed.response)
     })
   : new Promise(function(resolve, reject) {
       request(options, function(err, response, body) {
-        let parsed = parseResponse(err, response, body)
+        var parsed = parseResponse(err, response, body)
 
         return parsed.err
         ? reject(parsed.err)
Removed some ES6 syntax
- Follows style of other code
- Plus it was making the parser upset for the tests