diff --git a/packages/playwright-core/src/server/webkit/wkInterceptableRequest.ts b/packages/playwright-core/src/server/webkit/wkInterceptableRequest.ts
index f3c669dfc7..8941f18b70 100644
--- a/packages/playwright-core/src/server/webkit/wkInterceptableRequest.ts
+++ b/packages/playwright-core/src/server/webkit/wkInterceptableRequest.ts
@@ -42,7 +42,7 @@ const errorReasons: { [reason: string]: Protocol.Network.ResourceErrorType } = {
 export class WKInterceptableRequest {
   private readonly _session: WKSession;
   readonly request: network.Request;
-  readonly _requestId: string;
+  private readonly _requestId: string;
   _timestamp: number;
   _wallTime: number;
 
diff --git a/packages/playwright-core/src/server/webkit/wkPage.ts b/packages/playwright-core/src/server/webkit/wkPage.ts
index ae691f0ea3..3cd454deb2 100644
--- a/packages/playwright-core/src/server/webkit/wkPage.ts
+++ b/packages/playwright-core/src/server/webkit/wkPage.ts
@@ -1032,7 +1032,7 @@ export class WKPage implements PageDelegate {
       const request = this._requestIdToRequest.get(event.requestId);
       // If we connect late to the target, we could have missed the requestWillBeSent event.
       if (request) {
-        this._handleRequestRedirect(request, event.redirectResponse, event.timestamp);
+        this._handleRequestRedirect(request, event.requestId, event.redirectResponse, event.timestamp);
         redirectedFrom = request;
       }
     }
@@ -1048,7 +1048,7 @@ export class WKPage implements PageDelegate {
     const request = new WKInterceptableRequest(session, frame, event, redirectedFrom, documentId);
     let route;
     if (intercepted) {
-      route = new WKRouteImpl(session, request._requestId);
+      route = new WKRouteImpl(session, event.requestId);
       // There is no point in waiting for the raw headers in Network.responseReceived when intercepting.
       // Use provisional headers as raw headers, so that client can call allHeaders() from the route handler.
       request.request.setRawRequestHeaders(null);
@@ -1057,14 +1057,14 @@ export class WKPage implements PageDelegate {
     this._page._frameManager.requestStarted(request.request, route);
   }
 
-  private _handleRequestRedirect(request: WKInterceptableRequest, responsePayload: Protocol.Network.Response, timestamp: number) {
+  private _handleRequestRedirect(request: WKInterceptableRequest, requestId: string, responsePayload: Protocol.Network.Response, timestamp: number) {
     const response = request.createResponse(responsePayload);
     response._securityDetailsFinished();
     response._serverAddrFinished();
     response.setResponseHeadersSize(null);
     response.setEncodedBodySize(null);
     response._requestFinished(responsePayload.timing ? helper.secondsToRoundishMillis(timestamp - request._timestamp) : -1);
-    this._requestIdToRequest.delete(request._requestId);
+    this._requestIdToRequest.delete(requestId);
     this._page._frameManager.requestReceivedResponse(response);
     this._page._frameManager.reportRequestFinished(request.request, response);
   }
@@ -1094,7 +1094,7 @@ export class WKPage implements PageDelegate {
     if (!request)
       return;
 
-    this._requestIdToResponseReceivedPayloadEvent.set(request._requestId, event);
+    this._requestIdToResponseReceivedPayloadEvent.set(event.requestId, event);
     const response = request.createResponse(event.response);
     this._page._frameManager.requestReceivedResponse(response);
 
@@ -1118,7 +1118,7 @@ export class WKPage implements PageDelegate {
     // event from protocol. @see https://crbug.com/883475
     const response = request.request._existingResponse();
     if (response) {
-      const responseReceivedPayload = this._requestIdToResponseReceivedPayloadEvent.get(request._requestId);
+      const responseReceivedPayload = this._requestIdToResponseReceivedPayloadEvent.get(event.requestId);
       response._serverAddrFinished(parseRemoteAddress(event?.metrics?.remoteAddress));
       response._securityDetailsFinished({
         protocol: isLoadedSecurely(response.url(), response.timing()) ? event.metrics?.securityConnection?.protocol : undefined,
@@ -1137,8 +1137,8 @@ export class WKPage implements PageDelegate {
       request.request.setRawRequestHeaders(null);
     }
 
-    this._requestIdToResponseReceivedPayloadEvent.delete(request._requestId);
-    this._requestIdToRequest.delete(request._requestId);
+    this._requestIdToResponseReceivedPayloadEvent.delete(event.requestId);
+    this._requestIdToRequest.delete(event.requestId);
     this._page._frameManager.reportRequestFinished(request.request, response);
   }
 
@@ -1168,7 +1168,7 @@ export class WKPage implements PageDelegate {
       // Use provisional headers if we didn't have the response with raw headers.
       request.request.setRawRequestHeaders(null);
     }
-    this._requestIdToRequest.delete(request._requestId);
+    this._requestIdToRequest.delete(event.requestId);
     request.request._setFailureText(event.errorText);
     this._page._frameManager.requestFailed(request.request, event.errorText.includes('cancelled'));
   }