guiutzu on "WP Super Cache is not working with Facebook"

This plugis is awesome, but is not working with Facebook.
I have this error on Object Debuger:
Response Code: 206

I have tried to not serve cached contet to: facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) but still not working.

http://wordpress.org/extend/plugins/wp-super-cache/