on formating partitiontyp gets not changed

[DEUS]

when format a single partition it keeps the partition type, when format from ntfs to ext it keeps 0x07, xfs to fat 0x83 and so on.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gnome-disk-utility 2.32.1-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.38-13.55-generic-pae 2.6.38.8
Uname: Linux 2.6.38-13-generic-pae i686
Architecture: i386
Date: Sun Feb 12 17:39:06 2012
ExecutablePath: /usr/bin/palimpsest
ProcEnviron:
 LANGUAGE=de_DE:en
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-disk-utility
UpgradeStatus: Upgraded to natty on 2011-11-29 (74 days ago)
XsessionErrors:
 (dropbox:2217): Gdk-CRITICAL **: IA__gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed
 (gnome-power-manager:2191): Gdk-CRITICAL **: IA__gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed