diff --git a/lib/FrameManager.js b/lib/FrameManager.js
index 4f0fa6056dc72..fea03dc2c033e 100644
--- a/lib/FrameManager.js
+++ b/lib/FrameManager.js
@@ -35,8 +35,7 @@ class FrameManager extends EventEmitter {
     super();
     this._client = client;
     this._page = page;
-    this._networkManager = new NetworkManager(client, ignoreHTTPSErrors);
-    this._networkManager.setFrameManager(this);
+    this._networkManager = new NetworkManager(client, ignoreHTTPSErrors, this);
     this._timeoutSettings = timeoutSettings;
     /** @type {!Map<string, !Frame>} */
     this._frames = new Map();
diff --git a/lib/NetworkManager.js b/lib/NetworkManager.js
index 42593f1cef673..30534ccd35452 100644
--- a/lib/NetworkManager.js
+++ b/lib/NetworkManager.js
@@ -20,12 +20,13 @@ const {Events} = require('./Events');
 class NetworkManager extends EventEmitter {
   /**
    * @param {!Puppeteer.CDPSession} client
+   * @param {!Puppeteer.FrameManager} frameManager
    */
-  constructor(client, ignoreHTTPSErrors) {
+  constructor(client, ignoreHTTPSErrors, frameManager) {
     super();
     this._client = client;
     this._ignoreHTTPSErrors = ignoreHTTPSErrors;
-    this._frameManager = null;
+    this._frameManager = frameManager;
     /** @type {!Map<string, !Request>} */
     this._requestIdToRequest = new Map();
     /** @type {!Map<string, !Protocol.Network.requestWillBeSentPayload>} */
@@ -60,13 +61,6 @@ class NetworkManager extends EventEmitter {
       await this._client.send('Security.setIgnoreCertificateErrors', {ignore: true});
   }
 
-  /**
-   * @param {!Puppeteer.FrameManager} frameManager
-   */
-  setFrameManager(frameManager) {
-    this._frameManager = frameManager;
-  }
-
   /**
    * @param {?{username: string, password: string}} credentials
    */
@@ -234,7 +228,7 @@ class NetworkManager extends EventEmitter {
         redirectChain = request._redirectChain;
       }
     }
-    const frame = event.frameId && this._frameManager ? this._frameManager.frame(event.frameId) : null;
+    const frame = event.frameId ? this._frameManager.frame(event.frameId) : null;
     const request = new Request(this._client, frame, interceptionId, this._userRequestInterceptionEnabled, event, redirectChain);
     this._requestIdToRequest.set(event.requestId, request);
     this.emit(Events.NetworkManager.Request, request);