# Welcome header text %{site\_name} gives error: The following interpolation key is invalid: site\_name

**URL:** https://meta.discourse.org/t/welcome-header-text-site-name-gives-error-the-following-interpolation-key-is-invalid-site-name/392604
**Category:** Support
**Created:** [January 3, 2026, 6:19am UTC](https://meta.discourse.org/t/welcome-header-text-site-name-gives-error-the-following-interpolation-key-is-invalid-site-name/392604 "2026-01-03T06:19:19Z")
**Posts on this page:** 1
**Showing post:** 19

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### Author: ![manuel](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/manuel/32/468169_2.png) [@manuel](https://meta.discourse.org/u/manuel)
#### Post date: [January 20, 2026, 5:39pm UTC](https://meta.discourse.org/t/welcome-header-text-site-name-gives-error-the-following-interpolation-key-is-invalid-site-name/392604/19 "2026-01-20T17:39:45Z")

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@hipp0 thanks again for raising this! We pushed an update that makes the `site_name` variable available on all three header fields:

[https://github.com/discourse/discourse/pull/37186](https://github.com/discourse/discourse/pull/37186)

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_[View the full topic](https://meta.discourse.org/t/welcome-header-text-site-name-gives-error-the-following-interpolation-key-is-invalid-site-name/392604)._