From 025218b048fa299fab9692cba8951255b1064363 Mon Sep 17 00:00:00 2001
From: Maxim Kadushkin <maxim.kadushkin@onlyoffice.com>
Date: Sun, 5 Dec 2021 17:42:14 +0300
Subject: [PATCH] [desktop] fix theme applying

---
 apps/documenteditor/main/app/controller/Viewport.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/documenteditor/main/app/controller/Viewport.js b/apps/documenteditor/main/app/controller/Viewport.js
index 3ea1a59c3..7805c9374 100644
--- a/apps/documenteditor/main/app/controller/Viewport.js
+++ b/apps/documenteditor/main/app/controller/Viewport.js
@@ -384,7 +384,8 @@ define([
         },
 
         onContentThemeChangedToDark: function (isdark) {
-            this.header.menuItemsDarkMode.setChecked(isdark, true);
+            if ( this.header.menuItemsDarkMode )
+                this.header.menuItemsDarkMode.setChecked(isdark, true);
         },
 
         onWindowResize: function(e) {