All the forum threads are reversed?

Hi, all the forum threads are reversed when I'm logged in. How come?

Example: http://i.imgur.com/jPYRKVy.png

Thanks in advance.

http://i.imgur.com/ek5yJDT.jpg?1

It's under General Settings.

Thanks alot! :)

Wow I'm surprised that's even an option. Thanks for the catch Bunz.