Hi! Oh no I'm so sorry that's a crappy bug :( and the first time it's ever been reported.
Could you email your save game file to us? It might help us figure out what's happening there. You can send it to lasse@unsigneddouble.com
How do you access save game file?
You should be able to find it here:
C:\Users\[Your user name]\AppData\LocalLow\UnsignedDouble\Fossil Quest You are also welcome to come find us on discord if chatting there is easier for you.