Missing TuneIn stations in Volumio although they're available via the TuneIn website?

To my understanding Volumio uses TuneIn for the internet radio functionality. I Noticed that several Finnish stations that are available via the TuneIn website are missing in the Volumio radio station list and some have wrong stream URLs, so they’re not working anymore. I presume for some reason the station list does not get updated as it should? Is this a known problem with TuneIn?

For example this station works just fine via the TuneIn website, but gives 404 error in Volumio:

Running the latest Volumio free version on RPI3B+ and Hifiberry AMP.