diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
index 9c1fa53253..0849c1c6fe 100644
--- a/packages/playwright-core/src/server/chromium/chromium.ts
+++ b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -82,7 +82,7 @@ export class Chromium extends BrowserType {
 
     const artifactsDir = await fs.promises.mkdtemp(ARTIFACTS_FOLDER);
 
-    const wsEndpoint = await urlToWSEndpoint(progress, endpointURL);
+    const wsEndpoint = await urlToWSEndpoint(progress, endpointURL, headersMap);
     progress.throwIfAborted();
 
     const chromeTransport = await WebSocketTransport.connect(progress, wsEndpoint, headersMap);
@@ -351,13 +351,14 @@ export class Chromium extends BrowserType {
   }
 }
 
-async function urlToWSEndpoint(progress: Progress, endpointURL: string) {
+async function urlToWSEndpoint(progress: Progress, endpointURL: string, headers: { [key: string]: string; }) {
   if (endpointURL.startsWith('ws'))
     return endpointURL;
   progress.log(`<ws preparing> retrieving websocket url from ${endpointURL}`);
   const httpURL = endpointURL.endsWith('/') ? `${endpointURL}json/version/` : `${endpointURL}/json/version/`;
   const json = await fetchData({
     url: httpURL,
+    headers,
   }, async (_, resp) => new Error(`Unexpected status ${resp.statusCode} when connecting to ${httpURL}.\n` +
     `This does not look like a DevTools server, try connecting via ws://.`)
   );
diff --git a/tests/library/chromium/connect-over-cdp.spec.ts b/tests/library/chromium/connect-over-cdp.spec.ts
index 0262b73c7a..dd4e1c85fd 100644
--- a/tests/library/chromium/connect-over-cdp.spec.ts
+++ b/tests/library/chromium/connect-over-cdp.spec.ts
@@ -256,9 +256,9 @@ test('should send extra headers with connect request', async ({ browserType, ser
   }
   {
     const [request] = await Promise.all([
-      server.waitForWebSocketConnectionRequest(),
+      server.waitForRequest('/json/version/'),
       browserType.connectOverCDP({
-        endpointURL: `ws://localhost:${server.PORT}/ws`,
+        endpointURL: `http://localhost:${server.PORT}`,
         headers: {
           'User-Agent': 'Playwright',
           'foo': 'bar',