diff --git a/systems/x86_64-linux/attic/default.nix b/systems/x86_64-linux/attic/default.nix
index 0ae2954..8daa780 100644
--- a/systems/x86_64-linux/attic/default.nix
+++ b/systems/x86_64-linux/attic/default.nix
@@ -35,7 +35,14 @@
   security.tpm2.abrmd.enable = false;
 
   networking.wireless.enable = false;
-  networking.dhcpcd.IPv6rs = true;
+  networking.useDHCP = false;
+  networking.useNetworkd = true;
+  systemd.network.networks."30-wan" = {
+    matchConfig.Name = "enp1s0";
+    networkConfig.DHCP = "ipv4";
+    address = [ "2a01:4f9:c014:619::1/64" ];
+    routes = [{ Gateway = "fe80::1"; }];
+  };
   networking.firewall.allowedTCPPorts = [ 8080 ];
   networking.firewall.allowPing = true;