diff --git a/nixos/modules/services/networking/znc/default.nix b/nixos/modules/services/networking/znc/default.nix index 1ad8855b86d..46bff6954cd 100644 --- a/nixos/modules/services/networking/znc/default.nix +++ b/nixos/modules/services/networking/znc/default.nix @@ -47,11 +47,11 @@ let # Baz=baz # Qux=qux # - set = concatMap (subname: [ + set = concatMap (subname: optionals (value.${subname} != null) ([ "<${name} ${subname}>" ] ++ map (line: "\t${line}") (toLines value.${subname}) ++ [ "" - ]) (filter (v: v != null) (attrNames value)); + ])) (filter (v: v != null) (attrNames value)); }.${builtins.typeOf value};