Not landing it revert...
I haven't landed one MYSELF, but my understanding is that when people roll to revert they are pulling hard on their trailing hand, pulling the rope to the trailing hip and causing the rotation. Try to keep the rope on the leading hip, or even release the trailing hand on the landing. This roll naturally wants to revert, based on the axis about which you're rolling.
Again, that's an outsider looking in and not from someone who has stuck the roll themselves.