Hey Lafàdiel,
I can confirm that our developers are already aware of this issue, and are currently working on a fix. If you encounter another bug in-game, please do report it to our developers, and they’ll be able to check this out for you. 
https://eu.battle.net/support/en/article/000015043
Bug fixes are usually published in our Hotfix blogs and patch updates, which can be found in the News section of the main site.
Thank you!