diff --git a/openslides/core/static/js/core/projector.js b/openslides/core/static/js/core/projector.js
index 9530f6692..1146b6998 100644
--- a/openslides/core/static/js/core/projector.js
+++ b/openslides/core/static/js/core/projector.js
@@ -126,6 +126,7 @@ angular.module('OpenSlidesApp.core.projector', ['OpenSlidesApp.core'])
                 // delay displaying the error message, because with a slow internet
                 // connection, the autoupdate with the projector may be delayed. We
                 // de not want to irritate the user by showing this error to early.
+                $scope.error = '';
                 $timeout(function () {
                     if ($scope.showError) {
                         $scope.error = gettext('Can not open the projector.');
diff --git a/openslides/core/static/templates/projector-container.html b/openslides/core/static/templates/projector-container.html
index c8e917122..8c1097547 100644
--- a/openslides/core/static/templates/projector-container.html
+++ b/openslides/core/static/templates/projector-container.html
@@ -13,7 +13,7 @@
 <script src="static/js/openslides.js"></script>
 <script src="static/js/openslides-templates.js"></script>
 
-<div class="pContainer" ng-controller="ProjectorContainerCtrl">
+<div class="pContainer" ng-controller="ProjectorContainerCtrl" ng-cloak>
   <div>
     <style>
       .pContainer #iframe {