Turn keep border and keep selection border off in the polysmooth node. In your case only keep border is causing the problem but I tend to turn both of these off and then only turn them on when needed. Why maya make them on by default baffles me as 99.9% of the time you want them off.
"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675
Last edited by ctbram; 05-12-2011 at 05:34 AM.