/Forum url not navigating when viewing thread

A minor issue but when clciking on a thread via the latest list on https://www.playyourdamnturn.com/forum

… when you are viewing the thread, the url remains as

But when you click the top Forum menu item, the page stays on the thread I am viewing; I suspect because the URL doesn’t change.

I’m not sure there’s much I can do about this because the forum software is displayed inside a frame, and it doesn’t like being displayed in a frame, but I’ll take a look again and see if there’s a way to fix it at some point.