diff --git a/README.md b/README.md
index e00597c..cea1263 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,8 @@ import {join} from 'path';
 
 import {AppModule} from '../src/app/app.module';
 
+import url = require('url');
+
 const dist = join(process.cwd(), 'dist');
 
 const builder = new ApplicationBuilderFromModule(AppModule, join(dist, 'index.html'));