"Four in six," he told BBC Radio Manchester. "You wouldn't complain. I'd have taken that before I came.
"But I've always got to be critical of myself. I've had chances to get more."
Nardiello added: "We've had a great run of games. I think it was 12 unbeaten or something like that.
"No-one likes losing but especially when you got such a good run going it is disappointing but we'll bounce back."