ng-model does not change my radio button, selecting another option print the value in the ng-model does not change my HTML
<div class="btn-group" data-toggle="buttons" role="group">
<label class="btn btn-outline btn-primary ">
<input type="radio" name="turno" ng-model="vm.turno" value="matutino" />
<i class="icon wb-check text-active" aria-hidden="true"></i>Matutino
</label>
<label class="btn btn-outline btn-primary active">
<input type="radio" ng-model="vm.turno" value="vespertino" />
<i class="icon wb-check text-active" aria-hidden="true"></i>Vespertino
</label>
<label class="btn btn-outline btn-primary">
<input type="radio" ng-model="vm.turno" value="nocturno" />
<i class="icon wb-check text-active" aria-hidden="true"></i>Nocturno
</label>
</div>
<span>{{vm.turno}}</span>