The Serb defeated Stanislas Wawrinka 6-3 6-3 on Sunday at The O2 to set up his sixth meeting with the Spaniard in 2013.
Djokovic feels that the match between the world's top two players should be a fantastic encounter.
"It's going to be a great final," Djokovic told reporters. "I hope all the crowd will enjoy it because we definitely do on the court.
"It's always a thrilling competition between me and Rafa. Let's say we know each other quite well. There'll be no secret between us on the court."