diff --git a/config/net/cluster.nix b/config/net/cluster.nix
index ca8d536..90501f4 100644
--- a/config/net/cluster.nix
+++ b/config/net/cluster.nix
@@ -138,6 +138,7 @@ in
           "c3d2"
           "pub"
           "priv23"
+          "priv31"
           "bmx"
         ];
       };