diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index 2eb02ab777..f7a73332bc 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -40,6 +40,9 @@ in {
     interfaces = {
       ens-virginmedia = {
         useDHCP = true;
+        ipv6.addresses = [
+          { address = "2a02:88fd:f:d::2"; prefixLength = 64; }
+        ];
       };
       ens-general = {
         ipv4.addresses = [