diff --git a/machines/b4l/configuration.nix b/machines/b4l/configuration.nix
index 190a1d6..f927e1a 100644
--- a/machines/b4l/configuration.nix
+++ b/machines/b4l/configuration.nix
@@ -9,6 +9,7 @@
   fileSystems = {
     "/".device = "/dev/changeme";
   };
+  networking.fqdn = "b4l.co.th";
   system.stateVersion = "25.11";
 
 }