IVR on Beta (2.0) version

Hi,

I'm using the 2.0 beta version (which seems generally to work well) however I appear to have a problem with the assistant in that when I make the digital receptionist answer incoming calls, it doesn't recognise any "queues" as "valid extensions".

I've added;

 $ext->addInclude($item[0],'ext-queues');

to;

function ivr_get_config($engine) {

in 

functions.inc.php

Is this the right solution or am I missing something ?

tia
Gareth.