JDeveloper Activity Diagram Floating Guards

I am using JDeveloper 11g Release 1 (11.1.1.2.0) to develop an activity diagram.
The problem I have is that although I am able to add guards to a control flow and drag them to a suitable position, when I save and re-open JDeveloper they guards have moved to a different position.
Does anybody know How to fix the position of the guard?
Thanks in advance.

Hi,
11.1.1.2 is a very, very, very old release of 11g R1. Have you verified with a newer build 11.1.1.6 or 11.1.1.7 to verify the issue to exist?
Frank

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