<img width="820" alt="schermafbeelding 2017-10-04 om 17 55 39" src="https://user-images.githubusercontent.com/10217/31186602-5cda06ec-a92f-11e7-9d8f-e36923215275.png">
Steps to reproduce:
- create a new address using Bitcoin-QT Receive tab
- create corresponding SegWit address through bitcoin-cli
- use this SegWit address as the custom change address
I haven't tested if this goes away with #11403.
Using v0.15.0.1