Unity-2d launcher does not auto hide

[Nizar Kerkeni]

I'm using unity-2d and it's set to autohide. When logging to my session the launcher autohides, but after clicking on Workspaces button the launcher will never autohide.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity-2d 5.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic i686
ApportVersion: 1.93-0ubuntu2
Architecture: i386
Date: Mon Mar 5 12:29:59 2012
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: unity-2d
UpgradeStatus: Upgraded to precise on 2012-02-29 (5 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[yerdos (yerdos2030)]

Here is the same bug report https://bugs.launchpad.net/ubuntu/+source/unity/+bug/951910. I also have the same problem.