serato dj pro not showing full interface whenever controller is plugged in

Whenever I plug my DJ Controller in (DDJ-FLX4) my interface for Serato DJ Pro minimizes to where I can only see the song playing very small either in the top left or right. It doesn't show any of my cues, or song waves in the bigger form to help with beat matching or anything else. I only see the song waves very small in the corners. No and my song titles take up most of the screen. But whenever I unplug my controller everything goes back to normal. Not sure how to fix this, as it was working just fine a couple of hours ago.