diff --git a/examples/web-worker/e2e/basic.test.ts b/examples/web-worker/e2e/basic.test.ts
index bbc8a1e..09221dc 100644
--- a/examples/web-worker/e2e/basic.test.ts
+++ b/examples/web-worker/e2e/basic.test.ts
@@ -9,12 +9,12 @@ test("basic", async ({ page }) => {
 
 test("erorr stack", async ({ page }) => {
   // TODO:
-  // error event's stacktrace doesn't have sourcemap applied.
-  // it needs to be verified from devtools console error message.
+  // playwright's error stack doesn't have sourcemap applied.
+  // it needs to be manually verified from devtools console error message.
   const errorPromise = page.waitForEvent("pageerror");
-  await page.goto("/?error-stack");
+  await page.goto("/?error");
   const error = await errorPromise;
-  expect(error.message).toBe("test-error-stack");
+  expect(error.message).toBe("test-error");
 });
 
 test("worker in worker", async ({ page }) => {
diff --git a/examples/web-worker/src/app.tsx b/examples/web-worker/src/app.tsx
index abc69df..75d17da 100644
--- a/examples/web-worker/src/app.tsx
+++ b/examples/web-worker/src/app.tsx
@@ -11,16 +11,19 @@ export function App() {
     const worker = new Worker(workerUrl, { type: "module" });
     worker.addEventListener("message", (e) => {
       if (e.data.type === "ready") {
-        worker.postMessage({ type: "render" });
-      }
-      if (e.data.type === "render") {
-        setWorkerMessage(e.data.data);
-        if (window.location.search.includes("error-stack")) {
+        if (window.location.search.includes("error")) {
           worker.postMessage({ type: "error" });
+          setWorkerMessage("See devtool console");
+          return;
         }
         if (window.location.search.includes("worker-in-worker")) {
           worker.postMessage({ type: "worker-in-worker" });
+          return;
         }
+        worker.postMessage({ type: "render" });
+      }
+      if (e.data.type === "render") {
+        setWorkerMessage(e.data.data);
       }
       if (e.data.type === "worker-in-worker") {
         setWorkerMessage(e.data.data);
diff --git a/examples/web-worker/src/worker/dep-error.tsx b/examples/web-worker/src/worker/dep-error.tsx
index f48909b..251cce4 100644
--- a/examples/web-worker/src/worker/dep-error.tsx
+++ b/examples/web-worker/src/worker/dep-error.tsx
@@ -7,5 +7,5 @@ export function depThrowError() {
 }
 
 function depThrowError2() {
-  throw new Error("test-error-stack");
+  throw new Error("test-error");
 }