xscreensaver activates in middle of libreoffice presentation

[Santiago Roland]

XUbuntu 12.04, Libreoffice, in front of 100 people giving a talk... xscreensaver activated every 5 minutes.

Libreoffice should override Xscreensaver in presentation mode.

Thanks,

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xscreensaver 5.15-2ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
Date: Mon Jun 25 02:25:30 2012
InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Beta amd64 (20120228)
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: xscreensaver
UpgradeStatus: No upgrade log present (probably fresh install)