Change visibility, Include elements within the area

I’ve placed a label, a drop down and a tabs element on top of a rectangle.

With a button I want to toggle the visibility of the elements within the rectangle area, so I check the “Include elements within the area” in the “Operate on an element” dialog.

Hiding the elements works fine, but when I click the button again, only the combo box and the tabs element are shown. The label stays hidden.