diff --git a/machines/dns01/nsd.nix b/machines/dns01/nsd.nix
index 5d9b46d..a4a5d67 100644
--- a/machines/dns01/nsd.nix
+++ b/machines/dns01/nsd.nix
@@ -13,9 +13,7 @@
   };
   networking = {
     firewall = {
-      allowedUDPPorts = [
-        53
-      ];
+      allowedUDPPorts = [ 53 ];
     };
   };
 }