AnimatedSprite.width strange value without -Dv2

There is just one thing not working as expected when using -Dv2:

I am using AnimatedSprites form (https://github.com/jgranick/spritesheet). When doing

showBehavior("someBehavior")

and reading out the sprite.width and sprite.height members, I get ‘1920x1080’ which is completely incorrect. The only place where these numbers occure is in the resolution of my window.

With -Dv2 “sprite.width” and “sprite.height” have the expected values (in my particular case 108x52).

Hmm, that is strange. Is there any way you could make a little sample to recreate the problem, for anyone who wants to help fix it? Thanks!