Make a deb package that installs data under /var/www/data

I recently set up a PPA on Launchpad for distributing my web application. Since it's a server-app, I need to put my data into /var/www/html which apparently is not wanted by Lintian ("dir-or-file-in-var-www"). So far, I accomplish the task via a postinst script, which copies the files after installation, but there has to be a more elegant way, isn't there?