diff --git a/lib/coffee-script/coffee-script.js b/lib/coffee-script/coffee-script.js
index 18f80d98..673682ee 100644
--- a/lib/coffee-script/coffee-script.js
+++ b/lib/coffee-script/coffee-script.js
@@ -188,32 +188,31 @@
     (function(module) {
       var NATIVELOAD, findExtension;
       NATIVELOAD = "function(filename){debug('load'+JSON.stringify(filename)+'formodule'+JSON.stringify(this.id));assert(!this.loaded);this.filename=filename;this.paths=Module._nodeModulePaths(path.dirname(filename));varextension=path.extname(filename)||'.js';if(!Module._extensions[extension])extension='.js';Module._extensions[extension](this,filename);this.loaded=true;}";
-      if (module.prototype.load.toString().replace(/\s+/g, "") === NATIVELOAD) {
-        findExtension = function(filename) {
-          var curExtension, extension, extensions;
-          extension = null;
-          extensions = path.basename(filename).split('.');
-          if (extensions[0] === '') {
-            extensions.shift();
-          }
-          while (extensions.shift()) {
-            curExtension = '.' + extensions.join('.');
-            if (module._extensions[curExtension]) {
-              extension = curExtension;
-              break;
-            }
-          }
-          return extension || '.js';
-        };
-        return module.prototype.load = function(filename) {
-          var extension;
-          this.filename = filename;
-          this.paths = module._nodeModulePaths(path.dirname(filename));
-          extension = findExtension(filename);
-          module._extensions[extension](this, filename);
-          return this.loaded = true;
-        };
+      if (module.prototype.load.toString().replace(/\s+/g, "") !== NATIVELOAD) {
+        return;
       }
+      findExtension = function(filename) {
+        var curExtension, extensions;
+        extensions = path.basename(filename).split('.');
+        if (extensions[0] === '') {
+          extensions.shift();
+        }
+        while (extensions.shift()) {
+          curExtension = '.' + extensions.join('.');
+          if (module._extensions[curExtension]) {
+            return curExtension;
+          }
+        }
+        return '.js';
+      };
+      return module.prototype.load = function(filename) {
+        var extension;
+        this.filename = filename;
+        this.paths = module._nodeModulePaths(path.dirname(filename));
+        extension = findExtension(filename);
+        module._extensions[extension](this, filename);
+        return this.loaded = true;
+      };
     })(require('module'));
   }
 
diff --git a/src/coffee-script.coffee b/src/coffee-script.coffee
index 72457cd2..aaf20754 100644
--- a/src/coffee-script.coffee
+++ b/src/coffee-script.coffee
@@ -159,30 +159,28 @@ if require.extensions
     NATIVELOAD = "function(filename){debug('load'+JSON.stringify(filename)+'formodule'+JSON.stringify(this.id));assert(!this.loaded);this.filename=filename;this.paths=Module._nodeModulePaths(path.dirname(filename));varextension=path.extname(filename)||'.js';if(!Module._extensions[extension])extension='.js';Module._extensions[extension](this,filename);this.loaded=true;}"
 
     # Only keep going if we're sure module.prototype.load is what we expect
-    if module.prototype.load.toString().replace(/\s+/g, "") is NATIVELOAD
-      findExtension = (filename) ->
-        extension = null
-        extensions = path.basename(filename).split '.'
+    return unless module::load.toString().replace(/\s+/g, "") is NATIVELOAD
 
-        # Remove initial dot from dotfiles
-        extensions.shift() if extensions[0] is ''
+    findExtension = (filename) ->
+      extensions = path.basename(filename).split '.'
 
-        # Start with the longest extension and work our way shortwards
-        while extensions.shift()
-          curExtension = '.' + extensions.join '.'
-          if module._extensions[curExtension]
-            extension = curExtension
-            break
+      # Remove initial dot from dotfiles
+      extensions.shift() if extensions[0] is ''
 
-        return extension || '.js'
+      # Start with the longest extension and work our way shortwards
+      while extensions.shift()
+        curExtension = '.' + extensions.join '.'
+        return curExtension if module._extensions[curExtension]
 
-      module.prototype.load = (filename) ->
-        @filename = filename
-        @paths = module._nodeModulePaths path.dirname filename
+      '.js'
 
-        extension = findExtension filename
-        module._extensions[extension](this, filename)
-        @loaded = true
+    module::load = (filename) ->
+      @filename = filename
+      @paths = module._nodeModulePaths path.dirname filename
+
+      extension = findExtension filename
+      module._extensions[extension](this, filename)
+      @loaded = true
 
 
 # If we're on Node, patch `child_process.fork` so that Coffee scripts are able