diff --git a/systems/x86_64-linux/mx/headscale.nix b/systems/x86_64-linux/mx/headscale.nix
index f44224a..a90ece1 100644
--- a/systems/x86_64-linux/mx/headscale.nix
+++ b/systems/x86_64-linux/mx/headscale.nix
@@ -11,7 +11,7 @@ in
       settings = {
         server_url = "https://${domain}";
         dns = {
-          baseDomain = "hoyer.tail";
+          base_domain = "hoyer.tail";
         };
       };
     };