Philips Hue Tap Dial Switch - individual names not shown


I have two Philips Hue tap dial switches. Both of them do not show the names assigned in the Hue app (“Küche Wahltaster” and “Wohnzimmer Wahltaster”) but “Hue tap dial switch 4” and “Hue tap dial switch 2”. I think this is a bug.

Bridge: BSB002
Switches: RDM002