diff --git a/server.ts b/server.ts
index f857050ed5..ada6c9f040 100644
--- a/server.ts
+++ b/server.ts
@@ -171,7 +171,7 @@ function ngApp(req, res) {
   } else {
     // If preboot is disabled, just serve the client
     console.log('Universal off, serving for direct CSR');
-    res.sendFile(indexHtml);
+    res.sendFile(DIST_FOLDER + '/index.html');
   }
 }