Comment 49 for bug 1672424

Tested here on Zesty and it works for me. Could you check that you've got the latest version of gconf2 installed as well?

gconf2:
  Installed: 3.2.6-3ubuntu7
  Candidate: 3.2.6-3ubuntu7
  Version table:
 *** 3.2.6-3ubuntu7 500
        500 http://archive.ubuntu.com/ubuntu zesty/universe amd64 Packages
        100 /var/lib/dpkg/status