Boost not working with Parameter in URL from Google Analytics

Boost works on every page, but does not work on pages with Google Analytics cookie in the URL

for example

http://stratton.wanderlustfestival.com/?__utma=1.485948833.1348167330.13...(direct)|utmccn=(direct)|utmcmd=(none)&__utmv=-&__utmk=172983075

does not show

while

http://stratton.wanderlustfestival.com

does