diff --git a/examples/zkapps/04-zkapp-browser-ui/contracts/package-lock.json b/examples/zkapps/04-zkapp-browser-ui/contracts/package-lock.json
index 71e314af8..550dd7c0f 100644
--- a/examples/zkapps/04-zkapp-browser-ui/contracts/package-lock.json
+++ b/examples/zkapps/04-zkapp-browser-ui/contracts/package-lock.json
@@ -1,11 +1,11 @@
 {
-  "name": "package-name",
+  "name": "04-zkapp-browser-ui",
   "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "package-name",
+      "name": "04-zkapp-browser-ui",
       "version": "0.1.0",
       "license": "Apache-2.0",
       "devDependencies": {
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 3957ce0b1..6699986cc 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
@@ -1,4 +1,5 @@
 import { Field, PublicKey, fetchAccount } from 'o1js';
+import * as Comlink from "comlink";
 
 import type {
   WorkerFunctions,