From 489d1de75685a8c6ec53394d0f186db8e712cc5b Mon Sep 17 00:00:00 2001
From: Koen Kanters <koenkanters94@gmail.com>
Date: Sun, 13 Nov 2022 09:21:27 +0100
Subject: [PATCH] Fix `Cannot set properties of undefined (setting
 'installed_version')`. https://github.com/Koenkk/zigbee2mqtt/issues/14917

---
 lib/extension/homeassistant.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/extension/homeassistant.ts b/lib/extension/homeassistant.ts
index 72882ad4b..3cbde4c65 100644
--- a/lib/extension/homeassistant.ts
+++ b/lib/extension/homeassistant.ts
@@ -1461,7 +1461,7 @@ export default class HomeAssistant extends Extension {
             }
         }
 
-        if (entity.isDevice() && entity.definition.ota) {
+        if (entity.isDevice() && entity.definition?.ota && message.hasOwnProperty('update')) {
             message['update']['installed_version'] = entity.zh.softwareBuildID;
         }
     }