Toucan 2.2.1 copy empty folders and sub-folders

Hi!
I have a probelm with the "sync" function:

I want copy or update same files and folders from my desktop to an usb-device. I define some rules to exlude some file-types and some folders by name.

I choose "copy" and click PREVIEW: Toucan don't show the excluded files - perfect! BUT Toucan show the excluded folders in red ("if needed")

I click RUN and Toucan copy the red marked folder (and there sub-folders) to the destination. The red marked folders and all there sub-folders are empty in the destination.

But i don't need excluded empty folders. The original excluded folders on the source aren't empty. The same behavior when i use "update".

What's wrong?