diff --git a/packages/playwright-core/src/client/browser.ts b/packages/playwright-core/src/client/browser.ts
index be47ddeb51..8b13350100 100644
--- a/packages/playwright-core/src/client/browser.ts
+++ b/packages/playwright-core/src/client/browser.ts
@@ -49,7 +49,7 @@ export class Browser extends ChannelOwner<channels.BrowserChannel> implements ap
   constructor(parent: ChannelOwner, type: string, guid: string, initializer: channels.BrowserInitializer) {
     super(parent, type, guid, initializer);
     this._name = initializer.name;
-    this._channel.on('close', () => this._didClose());
+    this._channel.on('close', ({ reason }) => this._didClose(reason));
     this._closedPromise = new Promise(f => this.once(Events.Browser.Disconnected, f));
   }
 
@@ -136,10 +136,9 @@ export class Browser extends ChannelOwner<channels.BrowserChannel> implements ap
   }
 
   async close(options: { reason?: string } = {}): Promise<void> {
-    this._closeReason = options.reason;
     try {
       if (this._shouldCloseConnectionOnClose)
-        this._connection.close();
+        this._connection.close(options.reason);
       else
         await this._channel.close(options);
       await this._closedPromise;
@@ -150,8 +149,9 @@ export class Browser extends ChannelOwner<channels.BrowserChannel> implements ap
     }
   }
 
-  _didClose() {
+  _didClose(reason?: string) {
     this._isConnected = false;
+    this._closeReason = reason;
     this.emit(Events.Browser.Disconnected, this);
   }
 }
diff --git a/packages/playwright-core/src/protocol/validator.ts b/packages/playwright-core/src/protocol/validator.ts
index f899812622..04a24fa9d8 100644
--- a/packages/playwright-core/src/protocol/validator.ts
+++ b/packages/playwright-core/src/protocol/validator.ts
@@ -608,7 +608,9 @@ scheme.BrowserInitializer = tObject({
   version: tString,
   name: tString,
 });
-scheme.BrowserCloseEvent = tOptional(tObject({}));
+scheme.BrowserCloseEvent = tObject({
+  reason: tOptional(tString),
+});
 scheme.BrowserCloseParams = tObject({
   reason: tOptional(tString),
 });
diff --git a/packages/playwright-core/src/server/browser.ts b/packages/playwright-core/src/server/browser.ts
index 663b9be377..1b4a93434f 100644
--- a/packages/playwright-core/src/server/browser.ts
+++ b/packages/playwright-core/src/server/browser.ts
@@ -155,7 +155,7 @@ export abstract class Browser extends SdkObject {
       context._browserClosed();
     if (this._defaultContext)
       this._defaultContext._browserClosed();
-    this.emit(Browser.Events.Disconnected);
+    this.emit(Browser.Events.Disconnected, { reason: this._closeReason });
     this.instrumentation.onBrowserClose(this);
   }
 
diff --git a/packages/playwright-core/src/server/dispatchers/browserDispatcher.ts b/packages/playwright-core/src/server/dispatchers/browserDispatcher.ts
index 99ce5f961f..a4a43894e3 100644
--- a/packages/playwright-core/src/server/dispatchers/browserDispatcher.ts
+++ b/packages/playwright-core/src/server/dispatchers/browserDispatcher.ts
@@ -34,11 +34,11 @@ export class BrowserDispatcher extends Dispatcher<Browser, channels.BrowserChann
 
   constructor(scope: BrowserTypeDispatcher, browser: Browser) {
     super(scope, browser, 'Browser', { version: browser.version(), name: browser.options.name });
-    this.addObjectListener(Browser.Events.Disconnected, () => this._didClose());
+    this.addObjectListener(Browser.Events.Disconnected, ({ reason }) => this._didClose(reason));
   }
 
-  _didClose() {
-    this._dispatchEvent('close');
+  _didClose(reason?: string) {
+    this._dispatchEvent('close', { reason });
     this._dispose();
   }
 
diff --git a/packages/protocol/src/channels.ts b/packages/protocol/src/channels.ts
index 8a5a481ddf..8fb326839e 100644
--- a/packages/protocol/src/channels.ts
+++ b/packages/protocol/src/channels.ts
@@ -1131,7 +1131,9 @@ export interface BrowserChannel extends BrowserEventTarget, Channel {
   startTracing(params: BrowserStartTracingParams, metadata?: CallMetadata): Promise<BrowserStartTracingResult>;
   stopTracing(params?: BrowserStopTracingParams, metadata?: CallMetadata): Promise<BrowserStopTracingResult>;
 }
-export type BrowserCloseEvent = {};
+export type BrowserCloseEvent = {
+  reason?: string,
+};
 export type BrowserCloseParams = {
   reason?: string,
 };
diff --git a/packages/protocol/src/protocol.yml b/packages/protocol/src/protocol.yml
index d2811cfb19..a524138cdc 100644
--- a/packages/protocol/src/protocol.yml
+++ b/packages/protocol/src/protocol.yml
@@ -1009,6 +1009,8 @@ Browser:
   events:
 
     close:
+      parameters:
+        reason: string?
 
 ConsoleMessage:
   type: mixin