Filter in a dialogBox doesn't work

Hi,

From a standard ionic page, I can filter my list of item using a code such as:

 <div class="item item-input-inset">
            <label class="item-input-wrapper">
                <i class="icon ion-search placeholder-icon"></i>
                <input type="text" placeholder="Rechercher" ng-model="blisterpackQry">
            </label>
            <button class="button button-small" ng_click="openModal()">
                Avancée
            </button>
        </div>

        <ion-list>
            <ion-radio ng-model="selectedBlisterPack"
                       ng-value="blisterpack"
                       ng-repeat="blisterpack in blisterpacks | filter:blisterpackQry"
                       ng-click="selectPackaging(blisterpack)">
                {{blisterpack.name}}
            </ion-radio>
        </ion-list>

But when I use it from a dialogBox, it doesn’t filter aymore.

Is it the expected behaviour ?

Regards,

Xiaolong.