UISearchBarStyleMinimal shows scope buttons on top

问题:

When I apply UISearchBarStyleMinimal my scope buttons get drawn over the search bar. Here is how it looks like on regular style:

And when I apply the style, I get something like this:

Does anyone have an idea why this happens, and what can I do to fix it. When I remove the scope buttons it look really nice, but I need the scope button for my app.