sound indicator has white background on the volume and mic sliders

[Pete Graner]

After upgrading on 3 Feb I noticed that the sliders on the mic & volume have a blocked white background. See attached screenshot.

Thanks

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: indicator-sound 0.8.0.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Fri Feb 3 13:55:59 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: indicator-sound
UpgradeStatus: No upgrade log present (probably fresh install)