diff --git a/lib/js-yaml.js b/lib/js-yaml.js
index 6bf6c119..4ce558e4 100644
--- a/lib/js-yaml.js
+++ b/lib/js-yaml.js
@@ -1,15 +1,17 @@
 'use strict';
 
 
-var fs = require('fs'),
-    _loader = require('./js-yaml/loader');
+var fs = require('fs');
+var _loader = require('./js-yaml/loader');
 
 
 var jsyaml = module.exports = {};
 
 
 jsyaml.scan = function scan(stream, callback, Loader) {
-  var loader = new (Loader || _loader.SafeLoader)(stream);
+  Loader = (Loader || _loader.SafeLoader);
+
+  var loader = new Loader(stream);
   while (loader.checkToken()) {
     callback(loader.getToken());
   }
@@ -17,20 +19,25 @@ jsyaml.scan = function scan(stream, callback, Loader) {
 
 
 jsyaml.compose = function compose(stream, Loader) {
-  var loader = new (Loader || _loader.SafeLoader)(stream);
+  Loader = (Loader || _loader.SafeLoader);
+
+  var loader = new Loader(stream);
   return loader.getSingleNode();
 };
 
 
 jsyaml.load = function load(stream, Loader) {
-  var loader = new (Loader || _loader.Loader)(stream);
+  Loader = (Loader || _loader.Loader);
+
+  var loader = new Loader(stream);
   return loader.getSingleData();
 };
 
 
 jsyaml.loadAll = function loadAll(stream, callback, Loader) {
-  var loader = new (Loader || _loader.Loader)(stream);
+  Loader = (Loader || _loader.Loader);
 
+  var loader = new Loader(stream);
   while (loader.checkData()) {
     callback(loader.getData());
   }
@@ -63,7 +70,7 @@ jsyaml.addConstructor = function addConstructor(tag, constructor, Loader) {
 (function () {
   var require_handler = function (module, filename) {
     var fd = fs.openSync(filename, 'r');
-    
+
     // fill in documents
     module.exports = [];
     jsyaml.loadAll(fd, function (doc) { module.exports.push(doc); });