diff --git a/content-org/sites.org b/content-org/sites.org
index 04706b6..b173935 100644
--- a/content-org/sites.org
+++ b/content-org/sites.org
@@ -290,6 +290,7 @@
   If you want to contact me you can choose among the following options:
 
   - E-Mail: me(at)mmk2410(dot)org (PGP key ID: =CADE 6F0C 09F2 1B09=)
+  - XMPP/Jabber: mmk2410(at)xmpp(dot)mmk2410(dot)org
   - Direct Message on either Mastodon or Twitter (accounts see below)
 
   You can also follow me on some social networks where I am more or less active: