diff --git a/lib/browser/chrome-extension.js b/lib/browser/chrome-extension.js
index fac80d9177e6..c323819a7877 100644
--- a/lib/browser/chrome-extension.js
+++ b/lib/browser/chrome-extension.js
@@ -81,13 +81,13 @@ const removeBackgroundPages = function (manifest) {
 }
 
 // Dispatch tabs events.
-const hookWindowForTabEvents = function (win, webContents) {
+const hookWindowForTabEvents = function (webContents) {
   const tabId = webContents.id
   for (const page of objectValues(backgroundPages)) {
     page.webContents.sendToAll('CHROME_TABS_ONCREATED', tabId)
   }
 
-  win.once('closed', () => {
+  webContents.once('destroyed', () => {
     for (const page of objectValues(backgroundPages)) {
       page.webContents.sendToAll('CHROME_TABS_ONREMOVED', tabId)
     }
@@ -320,7 +320,7 @@ app.once('ready', function () {
   }
 
   BrowserWindow.prototype._loadDevToolsExtensions = function (webContents) {
-    hookWindowForTabEvents(this, webContents)
+    hookWindowForTabEvents(webContents)
     webContents.on('devtools-opened', function () {
       loadDevToolsExtensions(webContents, objectValues(manifestMap))
     })