diff --git a/packages/playwright-core/src/server/webkit/wkPage.ts b/packages/playwright-core/src/server/webkit/wkPage.ts
index 24d6ef63f6..d3a95fec70 100644
--- a/packages/playwright-core/src/server/webkit/wkPage.ts
+++ b/packages/playwright-core/src/server/webkit/wkPage.ts
@@ -786,7 +786,7 @@ export class WKPage implements PageDelegate {
       scripts.push('delete window.ondevicemotion');
       scripts.push('delete window.ondeviceorientation');
     }
-    scripts.push('if (!window.safari) window.safari = {};');
+    scripts.push('if (!window.safari) window.safari = { pushNotification: { toString() { return "[object SafariRemoteNotification]"; } } };');
     scripts.push('if (!window.GestureEvent) window.GestureEvent = function GestureEvent() {};');
 
     for (const binding of this._page.allBindings())
diff --git a/tests/library/capabilities.spec.ts b/tests/library/capabilities.spec.ts
index c5112f3246..40db91fdfa 100644
--- a/tests/library/capabilities.spec.ts
+++ b/tests/library/capabilities.spec.ts
@@ -212,10 +212,13 @@ it('serviceWorker should intercept document request', async ({ page, server }) =
 
 it('webkit should define window.safari', async ({ page, server, browserName }) => {
   it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/21037' });
+  it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/29032' });
   it.skip(browserName !== 'webkit');
   await page.goto(server.EMPTY_PAGE);
   const defined = await page.evaluate(() => !!(window as any).safari);
   expect(defined).toBeTruthy();
+  expect(await page.evaluate(() => typeof (window as any).safari.pushNotification)).toBe('object');
+  expect(await page.evaluate(() => (window as any).safari.pushNotification.toString())).toBe('[object SafariRemoteNotification]');
 });
 
 it('make sure that XMLHttpRequest upload events are emitted correctly', async ({ page, server }) => {