diff --git a/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/index.page.tsx b/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/index.page.tsx
index a6c617018..64a4a9da6 100644
--- a/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/index.page.tsx
+++ b/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/index.page.tsx
@@ -35,6 +35,9 @@ export default function Home() {
       });
     }
 
+        const zkappWorkerClient = new ZkappWorkerClient();
+    setState(prev => ({ ...prev, zkappWorkerClient }));
+
     (async () => {
       if (!state.hasBeenSetup) {
         setDisplayText('Loading web worker...');