Multiple Monitor Issue

I’m playing Sunless Sea (and everything else I play) on Linux through Steam. I have no problem running the game once it’s started. However, when it launches, it always jumps to the wrong monitor with the wrong video settings (and not always the SAME settings, which is extra confusing). Is there a runtime option I can chose or a settings file I can mess with to force it to start on the right screen in the right resolution and mode (windowed, not fullscreen)?