tabletopsimulator TTS Mod Backup 2.0.10 - storing images without extension

[escastor]

Since I've updated to the new version, the app doesn't recognize any of the previous mods as "downloaded", and when I try to backup a mod, the images stored don't have an extension (.jpg or .png). This causes TTS to not recognize them, and starts downloading every image from scratch.

 

Is there any way I can change the settings so it adds the extension to the downloaded images?

Thank you