From a6b69ea60c469a7d6f0355e4a1ce20a65ca3ce6d Mon Sep 17 00:00:00 2001
From: maxkadushkin <maxim.kadushkin@onlyoffice.com>
Date: Thu, 23 Dec 2021 21:50:08 +0300
Subject: [PATCH] [desktop] fix bug 54653 (#1441)

---
 .../forms/app/controller/ApplicationController.js               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/documenteditor/forms/app/controller/ApplicationController.js b/apps/documenteditor/forms/app/controller/ApplicationController.js
index 27c1b8fe9..f0e333470 100644
--- a/apps/documenteditor/forms/app/controller/ApplicationController.js
+++ b/apps/documenteditor/forms/app/controller/ApplicationController.js
@@ -1846,7 +1846,7 @@ define([
 
             window.on_native_message = function (cmd, param) {
                 if (/theme:changed/.test(cmd)) {
-                    if ( !!Common.UI.Themes.setTheme )
+                    if ( Common.UI.Themes && !!Common.UI.Themes.setTheme )
                         Common.UI.Themes.setTheme(param);
                 } else
                 if (/window:features/.test(cmd)) {