diff --git a/hosts/nachtigall/apps/matrix/synapse.nix b/hosts/nachtigall/apps/matrix/synapse.nix
index 50d26dd..9a16c36 100644
--- a/hosts/nachtigall/apps/matrix/synapse.nix
+++ b/hosts/nachtigall/apps/matrix/synapse.nix
@@ -101,6 +101,7 @@ in
       disable_msisdn_registration = true;
       enable_media_repo = true;
       enable_metrics = true;
+      mau_stats_only = true;
       enable_registration = false;
       enable_registration_captcha = false;
       enable_registration_without_verification = false;