unable to add podcast with itpc url

[Schmirrwurst]

I wanted to add the following podcast to banshee :
itpc://www.la-bas.org/podcast.php3

It works well under amarok and rythmbox, but banshee is not accepting it as a valid url...

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: banshee 2.4.0-2ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Tue May 22 18:01:49 2012
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
ProcEnviron:
 LANGUAGE=fr_CH:fr
 PATH=(custom, no user)
 LANG=fr_CH.UTF-8
 SHELL=/bin/bash
SourcePackage: banshee
UpgradeStatus: No upgrade log present (probably fresh install)