diff --git a/nebula.nix b/nebula.nix
index ff4325d..062a019 100644
--- a/nebula.nix
+++ b/nebula.nix
@@ -1,11 +1,11 @@
-{ lib, pkgs, ... }:
+{ lib, pkgs, config, ... }:
 
 {
   environment.systemPackages = with pkgs; [ nebula ];
   services.nebula.networks.home = {
     enable = true;
-    cert = "/var/lib/nebula/harrowhark.crt";
-    key = "/var/lib/nebula/harrowhark.key";
+    cert = "/var/lib/nebula/${config.networking.hostName}.crt";
+    key = "/var/lib/nebula/${config.networking.hostName}.key";
     ca = "/var/lib/nebula/ca.crt";
 
     lighthouses = [ "172.16.0.1" ];