Comment 12 for bug 1502173

I confirm that with the 2.20.1-0ubuntu2.5 version of apport-gtk packages, the bug is fixed.

LC_ALL=C apt-cache policy apport-gtk
apport-gtk:
  Installed: 2.20.1-0ubuntu2.5
  Candidate: 2.20.1-0ubuntu2.5
  Version table:
 *** 2.20.1-0ubuntu2.5 400
        400 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
        400 http://archive.ubuntu.com/ubuntu xenial-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     2.20.1-0ubuntu2.4 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-security/main i386 Packages
     2.20.1-0ubuntu2 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages

dpkg -l | grep apport-gtk
ii apport-gtk 2.20.1-0ubuntu2.5 all GTK+ frontend for the apport crash report system

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial