"Background App Refresh" does not refresh

I have trouble with my Podcasts app (it crashes when I open it) and I noticed the following bug:

If I go in "Setting > Podcasts", there is the option "Background App Refresh" switched on, and I can switch it off.

I switch it off.

I go back to setting and then again to "Setting > Podcasts", and the option "Background App Refresh" is still on!

Perhaps it is related to the fact that this app is not working anymore?

iPhone 5s

iOS 8.2

Podcasts 2.2 (740)