From 02c63395b59518ed30521fdcf44b27bdac99075f Mon Sep 17 00:00:00 2001
From: Yuya Ochiai <yuya0321@gmail.com>
Date: Fri, 20 Oct 2017 22:08:47 +0900
Subject: [PATCH] Fix error case where tray icon is already destroyed

---
 src/main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.js b/src/main.js
index 357d9c2b..cff5aa9f 100644
--- a/src/main.js
+++ b/src/main.js
@@ -471,7 +471,7 @@ app.on('ready', () => {
         }
       }
 
-      if (trayIcon) {
+      if (trayIcon && !trayIcon.isDestroyed()) {
         if (arg.mentionCount > 0) {
           trayIcon.setImage(trayImages.mention);
           if (process.platform === 'darwin') {