Yea. User profile -- click "private message" -- click icon to bring up the icon picker, got the default. (just duplicated it bouncing over to your profile too, so I know it's just not isolated to one at least.)
*Edit: I wasn't sure if there was supposed to be a different setting for that or not, so that's why I mentioned it.*
Re: Same issue, new location, and question
*Edit: I wasn't sure if there was supposed to be a different setting for that or not, so that's why I mentioned it.*