+++ This bug was initially created as a clone of Bug #1417658 +++
Description of problem:
Shortcut Ctrl + Q has no effect.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Start gnome-screenshot
2. Press key combo <Ctrl><Q>
Application still running.
I can still reproduce the bug with gnome-screenshot-3.26.0-1.el7.x86_64.