diff --git a/contact.md b/contact.md
index b9c3107..fb67a94 100644
--- a/contact.md
+++ b/contact.md
@@ -15,6 +15,7 @@ provided it's glued in front of `@luon.net`.
 * `hostmaster`: main contact point for Luon domain issues/abuse
 * `ildusadmin`: dynamic DNS (ILDUS) service
 * `listmaster`: mailman mailing lists
+* `matrixadmin`: Matrix homeserver
 * `postmaster`: IMAP/POP3/SMTP/Submission services
 * `sysops`: **main/default contact address!**
 * `usermanager`: user account creation/deletion/problems