diff --git a/src/client/js/newsroom-app.ts b/src/client/js/newsroom-app.ts
index dbf7c58..326fe40 100644
--- a/src/client/js/newsroom-app.ts
+++ b/src/client/js/newsroom-app.ts
@@ -18,6 +18,7 @@ declare global {
 (async ( ) => {
 
   try {
+    window.dtp = window.dtp || { };
     window.dtp.app = new WebApp();
     await window.dtp.app.start();
   } catch (error) {