diff --git a/nix/lib/config/legacy.nix b/nix/lib/config/legacy.nix
index 2c16014..4d1606b 100644
--- a/nix/lib/config/legacy.nix
+++ b/nix/lib/config/legacy.nix
@@ -63,7 +63,7 @@ in
           role = "server";
           interfaces = builtins.mapAttrs (net: _: {
             type = "phys";
-          } // lib.optionalAttrs (net == "core") {
+          } // lib.optionalAttrs (net == "mgmt") {
             gw4 = "mgmt-gw";
             gw6 = "mgmt-gw";
           }) (