diff --git a/nix/pkgs/switches/junos.nix b/nix/pkgs/switches/junos.nix
index 596aa19..32dfd2c 100644
--- a/nix/pkgs/switches/junos.nix
+++ b/nix/pkgs/switches/junos.nix
@@ -70,7 +70,7 @@ let
         let
           linkConfig = hostConfig.links.${name};
           group = toString linkConfig.group;
-          isBond = linkConfig.trunk &&
+          isBond = linkConfig.group != null &&
                    builtins.length linkConfig.ports > 1;
           nets = map (net:
             if net == "mgmt"