Can't change total amount of space that a user's files may consume

[Happy Camper]

I am trying to limit the total amount of space that a user's files may consume but it's staying at Unlimited.

I went to Usergroup Permissions > Total amount of space that a user's files may consume and set it to 52428800 but when I go to upload an image using that usergroup it says, You have used a total of 0 Bytes space out of Unlimited space allowed. You have Unlimited space remaining.

How can I get this to work?

[KW802]

Does the user belong to multiple groups? If so make sure that one of their secondary groups isn't configured to allow for no limits.