Screen flicker on break start

[a0405u]

Describe the bug
Screen flickers on the top-left side when break is initiated. It hurts me, and may hurt others...

To Reproduce
Steps to reproduce the behavior:

1. Initiate a break
2. Observe the issue

Expected behavior
A clean break initiation animation.

Screenshots
Here is the screenshot of flicker frame is shown. Everything on the screen just jumps to the top-right side for a single frame.

Video: https://youtu.be/MTjPa3pCxPY

Specs:

• OS version: Arch Linux x86_64
• WM: berrywm
• Display server: X.org

Additional context
Exactly the same issue appears on i3 and awesome. So I guess there is no issue with WM.