FMS TAS Reading Incorrect?

[C-FJDH]

So I'm mid-flight from KMIA to KDFW, up against a 90kt headwind. As I'm scrolling through the FMS Progress pages, I see what appears to be an error in the TAS reading. It's showing 221kts, when I'm at FL300 and 250 KIAS. Littlenavmap indicates a groundspeed of 312kts. A TAS calculator indicates that I should be seeing about 416kts in these conditions.
I've attached a screenshot that tries to capture everything in one view. Is this an error, or am I doing something wrong? Cheers all.

[Mark]

Thank you for reporting this. This is something we have logged on our internal bug tracker to investigate for a future update.

Mark - Just Flight

[C-FJDH]

Thanks Mark!
Loving this aircraft. Still so much to learn.