WordPress Multisite Registration Link on subdomain redirecting to the wrong URL?

Hello,

I'm having a little trouble with a multisite install for WordPress.

Here is the WordPress Multisite / BuddyPress install: http://pimpblogs.com

Here is the subdomain in question: http://partypins.pimpblogs.com/

This is my first attempt at setting up the subdomain sites, and most of it is working fine. My only trouble seems to be with the registration link on the subdomain points to: http://partypins.pimpblogs.com/wp-login.php?action=register

which then redirects to: http://pimpblogs.com/blogs/create/

instead of: http://pimpblogs.com/register/

So my question is this... The first link is correct if the user is logged in, however, if the user is not logged in, the second link would be appropriate.

Would I need to write some conditional logic somewhere to reroute these, or is there an easier way to do this? I've been trying to track down the routing function for a while and can't seem to figure out where I need to look for this.

Any help with this is appreciated.

Thanks!