Postcondition in a BPMN Business Process element

[Screwtape]

Hi!

I've tried to add a postcondition (in the advanced attributes section of the properties page) and it's made a complete mess of the diagram element. It seems to have vertically partitioned the business process element and shown the postcondition as a stereotype on the right hand side. Nothing I do will remove this - even explicitly suppressing postcondition in the stereotypes feature visibility.

Does anyone know how to stop this, other than by removing the postcondition (which I'm using for documentation elsewhere).

This only appears on Business Process elements. Activity elements are fine.

Thanks!

Screwtape.