diff --git a/nix/nixos-module/container/bird.nix b/nix/nixos-module/container/bird.nix
index 952f31c..0ee9e83 100644
--- a/nix/nixos-module/container/bird.nix
+++ b/nix/nixos-module/container/bird.nix
@@ -11,7 +11,7 @@ let
   # Configuring a gateway? If so, this is the associated net.
   gatewayNet =
     let
-      m = builtins.match "(.+)-gw" hostName;
+      m = builtins.match "(.+)-gw.*" hostName;
     in if m == [ "cls" ]
        then "cluster"
        else if m == null