clicking "save" doesn't open file chooser, nor saves the screenshot.

I'm on labwc, I open xfce4-screenshooter, select 2 seconds delay, click ok, screenshot is taken, click OK. nothing happens.

Archlinux xfce4-screenshooter 1.11.2-1 labwc-git 0.9.2.r41.gc8167c8e-1