diff --git a/hosts/fra1-b/configuration.nix b/hosts/fra1-b/configuration.nix
index 493e61b..aa6e86f 100644
--- a/hosts/fra1-b/configuration.nix
+++ b/hosts/fra1-b/configuration.nix
@@ -121,7 +121,7 @@ in
       ip = "172.16.10.1/24";
       domain = "i.jakstys.lt";
       passwordFile = config.age.secrets.iodine-passwd.path;
-      extraConfig = "-b ${toString myData.ports.nsd-unwrapped}";
+      extraConfig = "-c -b ${toString myData.ports.nsd-unwrapped}";
     };
 
     nsd = {