diff --git a/archachatina.nix b/archachatina.nix
index 84f9e44..8f3e20f 100644
--- a/archachatina.nix
+++ b/archachatina.nix
@@ -36,7 +36,10 @@
   virtualisation.docker.enable = true;
   users.extraUsers.gebner.extraGroups = [ "docker" ];
 
-  services.nix-serve.enable = true;
+  services.nix-serve = {
+    enable = true;
+    secretKeyFile = "/etc/nix-serve/secret.key";
+  };
   networking.firewall.allowedTCPPorts = [ config.services.nix-serve.port ];
 
 }