When I use the Views Cycle and I add a pager all works fine. But there is one issue;
on the initial page load, no pagers are active. After the second slide is loaded, all works fine.
After some JS debugging I found out that on the first call
Drupal.viewsSlideshowPagerFields.transitionBegin has a value of 2, and I have 2 slides.
After that, the number toggles between 0 and 1.