diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index b89b262..aa68494 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -823,6 +823,7 @@ in
 
   services.postgresql = {
     package = pkgs.postgresql_12;
+    settings.listen_addresses = pkgs.lib.mkForce "";
     identMap =
       ''
       rt rt rt_user