I finished the achievement but it is still grey like its not finished...?

I have 13 025 % on this achievement

Here is the picture so you can see what I mean:

http://i46.tinypic.com/2ywz40x.jpg

Whoa that's weird.
I just earned this achievement yesterday with no problems.

Moderators, it would be nice do tell me how to solve this achievement problem??? Thanks

Same here. Only percentage is different but extremely high too :)