diff --git a/lib/browser/rpc-server.js b/lib/browser/rpc-server.js
index 815298d3d9de..623827cd2a3f 100644
--- a/lib/browser/rpc-server.js
+++ b/lib/browser/rpc-server.js
@@ -465,6 +465,9 @@ ipcMain.on('ELECTRON_BROWSER_WINDOW_CONFIRM', function (event, message, title) {
 
 // Implements window.close()
 ipcMain.on('ELECTRON_BROWSER_WINDOW_CLOSE', function (event) {
-  event.sender.getOwnerBrowserWindow().close()
+  const window = event.sender.getOwnerBrowserWindow()
+  if (window) {
+    window.close()
+  }
   event.returnValue = null
 })