diff --git a/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/zkappWorkerClient.ts b/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/zkappWorkerClient.ts
index d35b96a5c..cf869a717 100644
--- a/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/zkappWorkerClient.ts
+++ b/examples/zkapps/04-zkapp-browser-ui/ui/src/pages/zkappWorkerClient.ts
@@ -54,11 +54,12 @@ export default class ZkappWorkerClient {
   proveUpdateTransaction() {
     return this.remoteApi.proveUpdateTransaction();
   }
-  async getTransactionJSON() {
-    const result = await this._call('getTransactionJSON', {});
-    return result;
+  
+  getTransactionJSON() {
+    return this.remoteApi.getTransactionJSON();
   }
 
+
   // ---------------------------------------------------------------------------------------
 
   worker: Worker;