diff --git a/ops/nixos/etheroute-lon01/default.nix b/ops/nixos/etheroute-lon01/default.nix
index 87039f141e..e2f3681ecc 100644
--- a/ops/nixos/etheroute-lon01/default.nix
+++ b/ops/nixos/etheroute-lon01/default.nix
@@ -167,12 +167,12 @@ in {
   };
   my.ip.tailscale = "100.111.191.21";
 
-  systemd.services.quadv1-4-netdev = lib.mkForce (makeIPIPInterface {
-    name =  "quadv1-4";
-    underlayDevice = "eno1";
-    localIP = "83.97.19.68";
-    remoteIP = "82.163.116.114";
-  });
+  networking.greTunnels.quadv1-4 = {
+    remote = "82.163.116.114";
+    local = "83.97.19.68";
+    dev = "eno1";
+    type = "tun";
+  };
 
   services.openssh.hostKeys = [
     {