Box tries to display a folder as a picture and fails

If, using "Photos" you navigate to a Folder(A) and set the box to play pictures it will show them all one by one (would be nice with randomize btw) - however if there is one more more folders in Folder A the box won't just skip the folder, but instead display a black screen.

(Desired behaviour: Either show content in sub folders, or ignore sub folders and don't display a black screen)