make.com "update record" action deletes files

I don’t know if this is a bug or something I am doing wrong:

I have a web hook that receives updates, it then does some thing and post some data back to the sheet (posting to another version of the sheet to avoid infinite loop).

All values that are not specified in the update record action stays as they are except file fields. For some reason they gets emptied after update.

The incoming web hook:

The update trigger:
I only update a few fields.
In the output you can see 499 is empty

Its solved now with an API call module instead, but still it seems strange that it didn’t work