I scroll up but the collection view does not follow. I use the storyboard to set up the everything and the constraints. `if let navigationController = navigationController as? ScrollingNavigationController { navigationController.followScrollView(collectionView, delay: 20.0, followers: [NavigationBarFollower(view: exploreSearchBar, direction: .scrollUp)]) } else { print("Not FOUND") }` A short youtube video on the issue: EDIT I had the wrong link up sorry. [https://youtu.be/bmP3GWvoWqs](url) The top constraint for the ui collection view to the bottom of the search bar: 