diff --git a/test/crypto/hash.js b/test/crypto/hash.js
index f146a62..816aa6b 100644
--- a/test/crypto/hash.js
+++ b/test/crypto/hash.js
@@ -1,9 +1,12 @@
-var should = require('chai').should();
-var Hash = require('../lib/hash');
+'use strict';
+
+require('chai').should();
+var bitcore = require('../..');
+var Hash = bitcore.Hash;
 
 describe('Hash', function() {
   var buf = new Buffer([0, 1, 2, 3, 253, 254, 255]);
-  var str = "test string";
+  var str = 'test string';
 
   describe('#sha256', function() {