diff --git a/packages/playwright-core/src/client/browserContext.ts b/packages/playwright-core/src/client/browserContext.ts
index 2dac5c809c..20d91bf305 100644
--- a/packages/playwright-core/src/client/browserContext.ts
+++ b/packages/playwright-core/src/client/browserContext.ts
@@ -421,7 +421,15 @@ export class BrowserContext extends ChannelOwner<channels.BrowserContextChannel>
   private async _updateInterceptionPatterns() {
     const patterns = network.RouteHandler.prepareInterceptionPatterns(this._routes);
     await this._channel.setNetworkInterceptionPatterns({ patterns });
-    await this._mockingProxy?.setInterceptionPatterns({ patterns });
+    await this._updateMockingProxyInterceptionPatterns();
+  }
+
+  async _updateMockingProxyInterceptionPatterns() {
+    if (!this._mockingProxy)
+      return;
+    const pageRoutes = this.pages().flatMap(page => page._routes);
+    const patterns = network.RouteHandler.prepareInterceptionPatterns(this._routes.concat(pageRoutes));
+    await this._mockingProxy.setInterceptionPatterns({ patterns });
   }
 
   private async _updateWebSocketInterceptionPatterns() {
diff --git a/packages/playwright-core/src/client/page.ts b/packages/playwright-core/src/client/page.ts
index 88c392f3c9..2d7ecb61fd 100644
--- a/packages/playwright-core/src/client/page.ts
+++ b/packages/playwright-core/src/client/page.ts
@@ -568,8 +568,7 @@ export class Page extends ChannelOwner<channels.PageChannel> implements api.Page
   private async _updateInterceptionPatterns() {
     const patterns = RouteHandler.prepareInterceptionPatterns(this._routes);
     await this._channel.setNetworkInterceptionPatterns({ patterns });
-    // TODO: merge this with browserContext patterns
-    await this._browserContext._mockingProxy?.setInterceptionPatterns({ patterns });
+    await this._browserContext._updateMockingProxyInterceptionPatterns();
   }
 
   private async _updateWebSocketInterceptionPatterns() {