Related : Matt Damon Confirms Jason Bourne Role!

And you thought Matt Damon was done with the Bourne franchise!

After reports surfaced this summer claiming that the Hollywood star would not be reprising his role as Jason Bourne, it appears Damon has changed his mind.

E! News caught up with the actor and his close friend Ben Affleck Friday night as they celebrated season four of their resurrected passion project, Project Greenlight.

In between talking about their HBO series and their impressive muscles, Affleck (accidently?) revealed a big casting announcement.

"Well, [Damon's] going to be doing a Bourne movie next fall when I've just completely lost any semblance of physical fitness. So….," Affleck told E! News exclusively.