From 2417c1d4dbd02439cd0ca9fc84255fa25833251b Mon Sep 17 00:00:00 2001
From: maxkadushkin <maxim.kadushkin@onlyoffice.com>
Date: Tue, 20 Jul 2021 21:31:42 +0300
Subject: [PATCH] Update Header.js

---
 apps/common/main/lib/view/Header.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/common/main/lib/view/Header.js b/apps/common/main/lib/view/Header.js
index 67542be43..493d3c78a 100644
--- a/apps/common/main/lib/view/Header.js
+++ b/apps/common/main/lib/view/Header.js
@@ -560,7 +560,7 @@ define([
 
                     $panelUsers.hide();
 
-                    if ( !!DE ) {
+                    if ( !!window.DE ) {
                         var mode_cls = Common.UI.Themes.isContentThemeDark() ? 'btn-mode-dark' : 'btn-mode-light';
                         me.btnContentMode = createTitleButton('toolbar__icon icon--inverse ' + mode_cls, $html.findById('#slot-btn-mode'));
                     }