Try this: on the handle there is a black clip that needs to be slid back away from the filter holder; filter basket should now fit (more or less); the markings for lining up the filter-handle into the brew-head slots are a little off; look up at the brew head, familiarize yourself with the location of the slots; line up the filter handle (make sure that black tap is still pulled back, or it won't go in). hope this helps!