diff --git a/tests/config/proxy.ts b/tests/config/proxy.ts
index cb7663e65f..7efe389b12 100644
--- a/tests/config/proxy.ts
+++ b/tests/config/proxy.ts
@@ -59,11 +59,11 @@ export class TestProxy {
     await new Promise(x => this._server.close(x));
   }
 
-  forwardTo(port: number, options?: { allowConnectRequests?: boolean, prefix?: string, dontTouchHost?: boolean }) {
+  forwardTo(port: number, options?: { allowConnectRequests?: boolean, prefix?: string, preserveHostname?: boolean }) {
     this._prependHandler('request', (req: IncomingMessage) => {
       this.requestUrls.push(req.url);
       const url = new URL(req.url, `http://${req.headers.host}`);
-      if (options?.dontTouchHost)
+      if (options?.preserveHostname)
         url.port = '' + port;
       else
         url.host = `127.0.0.1:${port}`;
@@ -82,7 +82,7 @@ export class TestProxy {
     this._prependHandler('upgrade', (req: IncomingMessage) => {
       this.wsUrls.push(req.url);
       const url = new URL(req.url, `http://${req.headers.host}`);
-      if (options?.dontTouchHost)
+      if (options?.preserveHostname)
         url.port = '' + port;
       else
         url.host = `127.0.0.1:${port}`;
diff --git a/tests/playwright-test/ui-mode-trace.spec.ts b/tests/playwright-test/ui-mode-trace.spec.ts
index b354f66b50..b5b584da77 100644
--- a/tests/playwright-test/ui-mode-trace.spec.ts
+++ b/tests/playwright-test/ui-mode-trace.spec.ts
@@ -340,7 +340,7 @@ test('should show request source context id', async ({ runUITest, server }) => {
   await expect(page.getByText('api#1')).toBeVisible();
 });
 
-test('should work behind proxy', { annotation: { type: 'issue', description: 'https://github.com/microsoft/playwright/issues/33705' } }, async ({ runUITest, proxyServer }, testInfo) => {
+test('should work behind reverse proxy', { annotation: { type: 'issue', description: 'https://github.com/microsoft/playwright/issues/33705' } }, async ({ runUITest, proxyServer: reverseProxy }) => {
   const { page } = await runUITest({
     'a.test.ts': `
       import { test, expect } from '@playwright/test';
@@ -352,9 +352,9 @@ test('should work behind proxy', { annotation: { type: 'issue', description: 'ht
     `,
   });
 
-  const origin = new URL(page.url());
-  proxyServer.forwardTo(+origin.port, { prefix: '/subdir', dontTouchHost: true });
-  await page.goto(`${proxyServer.URL}/subdir${origin.pathname}?${origin.searchParams}`);
+  const uiModeUrl = new URL(page.url());
+  reverseProxy.forwardTo(+uiModeUrl.port, { prefix: '/subdir', preserveHostname: true });
+  await page.goto(`${reverseProxy.URL}/subdir${uiModeUrl.pathname}?${uiModeUrl.searchParams}`);
 
   await page.getByText('trace test').dblclick();