diff --git a/nixos/hosts/mango/default.nix b/nixos/hosts/mango/default.nix
index f026dce..359e462 100644
--- a/nixos/hosts/mango/default.nix
+++ b/nixos/hosts/mango/default.nix
@@ -19,7 +19,7 @@
       server_name = "sapphic.engineer";
       port = 6167;
       address = "::";
-      allow_registration = true;
+      allow_registration = false;
       allow_federation = true;
       allow_check_for_updates = true;
     };