[Plugin: WordPress Mobile Pack] Causing conflict with short URL

Hi,

I just installed the Mobile Pack plug in, and the wordpress short URL stop changing

Normaly, when someone wrote this:
http://mydomain.com/?p=237

it would automaticly change to:
http://mydomain.com/my-post-title.html

Now it dosnt change, it goes into the post but the url dosnt change it keeps it as “/?p=237”

Is there a way to fix this… I dont want my users to know the post number id

Thanks