Mailman Admin Interface

I’ve had a Debian system running Virtualmin up for more than a year now, and I’m just now trying to add Mailman functionality to some of my hosts. However it seems that not all of the correct Apache aliases are being created when I enable this feature on a vhost. Though I’m able to create lists and reach the main Mailman Administration page, any links from that page go to an error: “Error - File not found”. Most of these links take the form of and it seems that /admin doesn’t point where it’s supposed to. Does anyone know how I might find the path it’s looking for?