# Nextcloud Updater fails: TLS certificate hostname mismatch for updates.nextcloud.com

**URL:** <https://help.nextcloud.com/t/nextcloud-updater-fails-tls-certificate-hostname-mismatch-for-updates-nextcloud-com/251289>\
**Category:** ℹ️ Support\
**Tags:** update\_problems, updater, php-updater, cloudflare, dns\
**Created:** [October 21, 2026, 3:22pm UTC](https://help.nextcloud.com/t/nextcloud-updater-fails-tls-certificate-hostname-mismatch-for-updates-nextcloud-com/251289 "2026-10-21T15:22:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![jtr](https://help.nextcloud.com/letter_avatar/jtr/32/5_5575768a8748004e209b776fc1b2916d.png) [@jtr](https://help.nextcloud.com/u/jtr)\
**Post date:** [October 21, 2026, 6:37pm UTC](https://help.nextcloud.com/t/nextcloud-updater-fails-tls-certificate-hostname-mismatch-for-updates-nextcloud-com/251289/2 "2026-10-21T18:37:50Z")

</div>

> [@Wrong SNI cert on updates.nextcloud.com](https://help.nextcloud.com/t/wrong-sni-cert-on-updates-nextcloud-com/251277/2):
>
> Thanks for raising the issue. It’s due to some infrastructure changes we are currently working on. Sorry for the inconvenience on this one. Please see [https://status.nextcloud.com/](https://status.nextcloud.com/)

---

_[View the full topic](https://help.nextcloud.com/t/nextcloud-updater-fails-tls-certificate-hostname-mismatch-for-updates-nextcloud-com/251289)._