From b2b768cd4b24d74d7c6c59b4088d8cde0ff3f79a Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Wed, 24 May 2023 23:14:04 -0400
Subject: [PATCH] Fix `fileQuitItemUnix is null` error in PDF reader window

---
 chrome/content/zotero/platformKeys.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/chrome/content/zotero/platformKeys.js b/chrome/content/zotero/platformKeys.js
index bbc87bb79b..0e54d49589 100644
--- a/chrome/content/zotero/platformKeys.js
+++ b/chrome/content/zotero/platformKeys.js
@@ -76,10 +76,10 @@ window.addEventListener('DOMContentLoaded', () => {
 		}
 		
 		if (isWin) {
-			fileQuitItemUnix.hidden = true;
+			if (fileQuitItemUnix) fileQuitItemUnix.hidden = true;
 		}
 		else {
-			fileQuitItemWin.hidden = true;
+			if (fileQuitItemWin) fileQuitItemWin.hidden = true;
 		}
 	}
 });