Chrome extension Not showing unread count Badge

Describe the problem you’re having:

The Chrome extension doesn’t show the unread count badge.

If possible include steps to reproduce the problem:

Install the chrome extension and enter information.

tt-rss version (including git commit id):

17.4-403-gf63a7c4

Platform (i.e. Linux distro, PHP, PostgreSQL, etc) versions:

Ubuntu 14.04.5
php 5.6
MySql 5.5