diff --git a/lib/adapters/xhr.js b/lib/adapters/xhr.js
index 7dc4cce..4082beb 100644
--- a/lib/adapters/xhr.js
+++ b/lib/adapters/xhr.js
@@ -4,7 +4,7 @@
 
 var defaults = require('./../defaults');
 var utils = require('./../utils');
-var buildURL = require('./../helpers/buildURL');
+var buildURL = require('./../helpers/buildUrl');
 var parseHeaders = require('./../helpers/parseHeaders');
 var transformData = require('./../helpers/transformData');
 var isURLSameOrigin = require('./../helpers/isURLSameOrigin');