From 7d333dfe8f3e678c8b0d4975303f2e29913a63f8 Mon Sep 17 00:00:00 2001
From: Devin Binnie <52460000+devinbinnie@users.noreply.github.com>
Date: Wed, 5 May 2021 17:14:42 -0400
Subject: [PATCH] [MM-35245] Null check to prevent console error in preload
 script on unloaded server (#1582)

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

diff --git a/src/main/preload/mattermost.js b/src/main/preload/mattermost.js
index b7345f69..a57e7dd5 100644
--- a/src/main/preload/mattermost.js
+++ b/src/main/preload/mattermost.js
@@ -63,7 +63,7 @@ window.addEventListener('load', () => {
 });
 
 const parentTag = (target) => {
-    if (target.parentNode) {
+    if (target.parentNode && target.parentNode.tagName) {
         return target.parentNode.tagName.toUpperCase();
     }
     return null;