multi-select-component - search bug

[phpepe]

Im trying to use the multiple select component binding the optionLabelPath to an attribute in depth.
Example:
{{ multi-select-component
contentBinding="myList"
optionLabelPath="someAttr.otherAttr" <--- the 2 levels depth
optionValuePath="code"
}}

where someAttr is an object with "otherAttr" property.
All works well except the search.
This works using the core Ember.Select view, so I guess is an ember-widget issue.