diff --git a/.well-known/security.txt b/.well-known/security.txt
index 73e4bba..4fd85c4 100755
--- a/.well-known/security.txt
+++ b/.well-known/security.txt
@@ -1,5 +1,5 @@
 Contact: https://www.lermer.nl/contact
 Contact: mailto:mathijs@lermer.nl
-Contact: https://matrix.to/#/@mathijs:lermer.nl
+Contact: matrix:@mathijs:lermer.nl
 Expires: 2030-01-01T12:00:00.000Z
 Preferred-Languages: en, nl