Mp3tag auto-load mp3 files at startup

Hi everyone.
How does one disable that feature?
It's pretty annoying, that everytime I open mp3tag, previously opened mp3 files get automatically loaded. It's especially problematic, when in previous session I had more thousand mp3 files opened. I can of course cancel loading them with ESC key, but would rather see that they wouldn't load at all. I don't seem to find any option for that in "Tools->Options"

See: /t/14355/1

thanks