diff --git a/src/index.js b/src/index.js
index 31f0283..6dc6923 100644
--- a/src/index.js
+++ b/src/index.js
@@ -15,7 +15,7 @@ var open = require('open');
 var url = require('url');
 var extend = require('node.extend');
 var enableMiddlewareShorthand = require('./enableMiddlewareShorthand');
-var isarray = require('isarray');
+var isarray = Array.isArray;
 
 
 module.exports = function(options) {