Change source in Video with angularJs

I need some simple help. i’m trying to change the src of this:

<div class="embed-responsive embed-responsive-16by9">
                    <iframe class="embed-responsive-item" src="{{video.videoUrl}}"></iframe>
                </div>

With the new-reapet back result
But I have got this error:

Error: [$interpolate:interr]

The all code look like that:

<div class="col-sm-6 col-md-4" ng-repeat="video in index.videos">
            <div class="thumbnail">
                <h2>{{video.title}}</h2>
                <div class="embed-responsive embed-responsive-16by9">
                    <iframe class="embed-responsive-item" src="{{video.videoUrl}}"></iframe>
                </div>
            </div>
          </div>

Thanks for the help!!

Source: AngularJS