diff --git a/hosts/matrix/default.nix b/hosts/matrix/default.nix
index 10a69558..890ac29e 100644
--- a/hosts/matrix/default.nix
+++ b/hosts/matrix/default.nix
@@ -36,7 +36,7 @@
       ldap = {
         enable = true;
         bindPasswordFile = config.sops.secrets."matrix-synapse/ldapSearchUserPassword".path;
-        userFilter = config.security.ldap.groupFilter "matrix";
+        userFilter = config.security.ldap.groupFilter "matrix-users";
       };
       settings = {
         admin_contact = "mailto:mail@c3d2.de";