Mobile App integration creates multiple instances of my MacOS HACompanion

Device model, version and app version

Model Name: iMac Retina 5K, 27", Late 2015
macOS Version: 11.2.3 (20D91)
App Version: 2021.4.1 (2021.155)
Safari Version:

Home Assistant Core Version

Describe the bug
Companion App creates multiple instances in Mobile App Integration like:

_2 _3 _4

Therefor I can’t refer properly to the ‘working’ version of the needed sensor.

To Reproduce
Don’t know how, as I don’t know why it does it.

Expected behavior
I expect the companion app to see that it is repeating itself.

Schermafbeelding 2021-04-29 om 17 21 12

Additional context