ControlP5 Tab Positioning

Hi

I am trying to position a group of tabs in a processing sketch using the following code;

cp5.getTab("default")

.activateEvent(true)

.setLabel("Location Engine")

.setId(1)

.setPosition(25, 100)

;

But somehow it pushes the controller below it and yet does not change position. Any ideas on how i can change the position of these tabs please?

Thanks S