Newest to Oldest vice versa not working RAM 7.5.1.1

RAM Team,

When looking at the asset->Discussion page. We have a drop down that says Oldest to Newest/vice versa discussion comments.  When we select it, nothing changes.  I'm expecting that the discussions should be ordered based on the drop down selection chosen.  Is this a know problem? If it is, I would like a workaround to default my comments form Newest to Oldest sort order.  Strangely enough, we are getting customer complaints about this feature not working correctly, any help is greatly appreciated.

Kind regards,