Using Nuki with a large key cylinder

I got a Nuki Smart Lock 3.0 Pro for my door (see attached picture) which has a pretty large extruded cylinder. Unfortunately, it seems that neither mount A or B work great (B does not work great because the sticky surface is very small). Any ideas how to make it work? (other than changing the lock)

Thanks in advance!

This might work if your cylinder has the same size as a swiss round cylinder: Mounting plate A - Swiss round cylinder - Nuki