Ginnifer Goodwin and Chris Klein have called it quits after two years of dating, PEOPLE has learned.

A Goodwin pal tells PEOPLE that the split was mutual and amicable. "They realized they wanted different things," says the friend. "In the long run, the relationship wasn't going to work."

With a busy winter ahead for Goodwin, 30, who returns to HBO's Big Love in January and stars in He's Just Not That Into You, opening in February, the actress plans to enjoy the single life for the time being, says her friend: "She's not interested in dating anyone just yet."

Klein, 29, is also busy with work, returning to big screen in Street Fighter in February.

Reps for Klein and Goodwin did not return calls for comment.