diff --git a/lib/coffee-script/coffee-script.js b/lib/coffee-script/coffee-script.js
index d54a13c1..66429199 100644
--- a/lib/coffee-script/coffee-script.js
+++ b/lib/coffee-script/coffee-script.js
@@ -58,20 +58,21 @@
     }
   };
   exports.eval = function(code, options) {
-    var Module, Script, js, k, o, r, sandbox, v, _i, _len, _module, _ref2, _ref3, _ref4, _require;
+    var Module, Script, js, k, o, r, sandbox, v, _i, _len, _module, _ref2, _ref3, _require;
     if (options == null) options = {};
     if (!(code = code.trim())) return;
-    if (_ref2 = require('vm'), Script = _ref2.Script, _ref2) {
+    Script = require('vm').Script;
+    if (Script) {
       sandbox = Script.createContext();
       sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox;
       if (options.sandbox != null) {
         if (options.sandbox instanceof sandbox.constructor) {
           sandbox = options.sandbox;
         } else {
-          _ref3 = options.sandbox;
-          for (k in _ref3) {
-            if (!__hasProp.call(_ref3, k)) continue;
-            v = _ref3[k];
+          _ref2 = options.sandbox;
+          for (k in _ref2) {
+            if (!__hasProp.call(_ref2, k)) continue;
+            v = _ref2[k];
             sandbox[k] = v;
           }
         }
@@ -85,9 +86,9 @@
           return Module._load(path, _module);
         };
         _module.filename = sandbox.__filename;
-        _ref4 = Object.getOwnPropertyNames(require);
-        for (_i = 0, _len = _ref4.length; _i < _len; _i++) {
-          r = _ref4[_i];
+        _ref3 = Object.getOwnPropertyNames(require);
+        for (_i = 0, _len = _ref3.length; _i < _len; _i++) {
+          r = _ref3[_i];
           if (r !== 'paths') _require[r] = require[r];
         }
         _require.paths = _module.paths = Module._nodeModulePaths(process.cwd());