diff --git a/app/email_domains.yml b/app/email_domains.yml
index 49a5ddd3a..198629e7d 100644
--- a/app/email_domains.yml
+++ b/app/email_domains.yml
@@ -28,5 +28,5 @@
 - britishmuseum.org
 - derrystrabane.com
 - highwaysengland.co.uk
-- nhm.ac.uk
+- ac.uk
 - mansheadschool.co.uk