Messaging app won't retain settings

Iphone 5, IOS 9 with latest update.

when I go into messenger to text someone and click on the plus to select who I want to message, my contact lists includes people on my facebook as well as my phone contacts, it gives me the option to turn either contact list off and I do turn off the facebook list but the next time I go to message someone the contact list is back to including both my phone contacts and my facebook contacts.

Any way to make the phone remember my choice here?

Thanks