Print key doesn't work when any of the tray icon's menu is open

[alesmuc]

The a menu of a tray icon is open, the print key doesn't work at all. As I close the tray icon menu it work properly taking the screenshot

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-screenshot 3.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Sat Mar 9 16:43:17 2013
InstallationDate: Installed on 2013-02-13 (23 days ago)
InstallationMedia: This
MarkForUpload: True
SourcePackage: gnome-screenshot
UpgradeStatus: No upgrade log present (probably fresh install)