FTP.prototype.listSafe TypeError: cb is not a function

[stanzahk]

Documentation states zcomp is an optional parameter for listSafe, but invoking like that:

listSafe('/path', function(err,list)) with a non extistent path it returns an exception TypeError: cb is not a function.

$ npm list | grep ftp ├─┬ [email protected]

$ npm -v 4.6.1

$ node -v v6.12.3

Thanks