Zaccardo, who joined from Parma near the end of the January transfer window, also said that he "could not say no" to the offer of joining the Milan giants.
"I was happy to finish my career at Parma but then Milan made me this offer that I could not say no to," Gazzetta dello Sport quotes Zaccardo as saying.
"I'm feeling very positive. I found a good group and a strong team.
"The league position has improved, we are three points behind third place and overtook Inter."
Zaccardo made 118 league appearances for Parma.