Correct Activity Diagram

[dchrist1]

Hello,
i have a problem with the print design of an activity diagram. Normally you should have a border but i miss it on my layout. Can you tell me what i could do to change it?
normal: http://upload.wikimedia.org/wikipedia/de/1/18/Activity-2.png

me:




I hope that you can help me

Best regards,
dchrist1

[«Midnight»]

Tools | Options | Diagrams, and look at the options in the Use Opaque Diagram Labels group.