evolution calendar does not scroll with mouse wheel

In calendar mode, when selecting "View one month" the mouse scroll wheel is useless. The only way to scroll up/down is to use keuyboard arrows or drag the side scroll button.

Regards,

I'm using Evolution in Xubuntu 12.04 Precise Pangolin amd64

Santiago Roland.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: evolution 3.2.3-0ubuntu6
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
Date: Wed Jun 13 21:24:02 2012
InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Beta amd64 (20120228)
ProcEnviron:
 LANGUAGE=en_US:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: evolution
UpgradeStatus: No upgrade log present (probably fresh install)