diff --git a/hosts/containers/dn42/configuration.nix b/hosts/containers/dn42/configuration.nix
index 437140bd..07dae647 100644
--- a/hosts/containers/dn42/configuration.nix
+++ b/hosts/containers/dn42/configuration.nix
@@ -61,7 +61,7 @@ in {
           secret ${keyfile name}
         '';
         up = ''
-          ${pkgs.iproute}/bin/ip a a fe80::deca:fbad/64 dev $1
+          ${pkgs.iproute}/bin/ip a a ${address6}/64 dev $1
         '';
       };
     in {