list view is showing the wrong number of files/contents

Under certain circumstances Nautilus with a list view shows the incorrect number of files in a folder in the line summary when viewing the parent directory. This problem can be recreated with removable media, where the files have just been written to the folder with another program (in this case a bash backup script). In the first instance I saw, removing the media and re-inserting it did not fix the error. Sometimes the number of files will update part way though the file transfer, but the total will stick at this figure and will not be updated, even when the media is removed and re-inserted. This occurred when the directory was also created by the same script doing the copying.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nautilus 1:3.2.0-0ubuntu5
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: i386
Date: Sat Oct 1 20:24:58 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_AU.UTF-8
 LANGUAGE=en_AU:en
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)