diff --git a/samples/misc/ES2015Transpilation/Controllers/ScriptController.cs b/samples/misc/ES2015Transpilation/Controllers/ScriptController.cs
index 62f0878..cfb1cbf 100644
--- a/samples/misc/ES2015Transpilation/Controllers/ScriptController.cs
+++ b/samples/misc/ES2015Transpilation/Controllers/ScriptController.cs
@@ -12,7 +12,7 @@ namespace ES2015Example.Controllers
         {
             // TODO: Don't hard-code wwwroot; use proper path conversions
             var fileContents = System.IO.File.ReadAllText("wwwroot/" + filename);
-            var transpiledResult = await nodeInstance.Invoke("transpilation.js", fileContents);
+            var transpiledResult = await nodeInstance.Invoke("transpilation.js", fileContents, Request.Path.Value);
             return Content(transpiledResult, "application/javascript");
         }
     }
diff --git a/samples/misc/ES2015Transpilation/transpilation.js b/samples/misc/ES2015Transpilation/transpilation.js
index 785e59b..ac239e5 100644
--- a/samples/misc/ES2015Transpilation/transpilation.js
+++ b/samples/misc/ES2015Transpilation/transpilation.js
@@ -1,6 +1,9 @@
 var babelCore = require('babel-core');
 
-module.exports = function(cb, fileContents) {
-    var result = babelCore.transform(fileContents, {});
+module.exports = function(cb, fileContents, url) {
+    var result = babelCore.transform(fileContents, { 
+    	sourceMaps: 'inline',
+    	sourceFileName: '/sourcemapped/' + url
+    });
     cb(null, result.code);
 }