#2140 Fixed reflection of hostname change

[hopleus]

• [x] have read the CONTRIBUTING.md file
• [x] raised a GitHub issue or discussed it on the projects chat beforehand
• [x] added unit tests
• [x] added integration tests
• [ ] updated documentation if needed
• [x] updated CHANGELOG.md

Fixes #2140

[kradalby]

Thank you! your help is much appreciated, I'm a bit overloaded at the moment, so I try to come to it as I have some spare moments.