diff --git a/hosts/containers/dn42/configuration.nix b/hosts/containers/dn42/configuration.nix
index e078ffa4..01a49504 100644
--- a/hosts/containers/dn42/configuration.nix
+++ b/hosts/containers/dn42/configuration.nix
@@ -82,7 +82,7 @@ in {
           allowedIPsAsRoutes = false;
           postSetup = ''
             ${pkgs.iproute}/bin/ip addr del ${address4}/32 dev ${name}
-            ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} ${conf.address4}/32
+            ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} peer ${conf.address4}/32
           '';
           peers = [ ({
             inherit (conf.wireguard) publicKey;