Remove AutoSave on SinglePlayer mission start

Hello! I creating dialogs for my mod like this:
https://www.youtube.com/watch?v=OCpWftuyHkg

On every click “Accept” FL creates AutoSave file. Anybody knows how disable it?
What a reason:
Autosave keeping current room. It’s not problem on default rooms (Deck, Bar etc). But on special rooms (like Deck2 and Planetscape2) it save wrong player position.

To fix it i need to create many triggers. But i not wont it.

Please, help!