diff --git a/openslides/assignments/serializers.py b/openslides/assignments/serializers.py
index 65229cd57..9a6766e9c 100644
--- a/openslides/assignments/serializers.py
+++ b/openslides/assignments/serializers.py
@@ -79,7 +79,8 @@ class AssignmentAllPollSerializer(ModelSerializer):
     votes = ListField(
         child=DictField(
             child=IntegerField(min_value=-2)),
-        write_only=True)
+        write_only=True,
+        required=False)
 
     class Meta:
         model = AssignmentPoll
diff --git a/openslides/assignments/static/js/assignments/site.js b/openslides/assignments/static/js/assignments/site.js
index 67d22f165..087fd7954 100644
--- a/openslides/assignments/static/js/assignments/site.js
+++ b/openslides/assignments/static/js/assignments/site.js
@@ -235,12 +235,13 @@ angular.module('OpenSlidesApp.assignments.site', ['OpenSlidesApp.assignments'])
 .controller('AssignmentDetailCtrl', [
     '$scope',
     '$http',
+    'gettext',
     'ngDialog',
     'operator',
     'Assignment',
     'User',
     'assignment',
-    function($scope, $http, ngDialog, operator, Assignment, User, assignment) {
+    function($scope, $http, gettext, ngDialog, operator, Assignment, User, assignment) {
         User.bindAll({}, $scope, 'users');
         Assignment.bindOne(assignment.id, $scope, 'assignment');
         Assignment.loadRelations(assignment, 'agenda_item');
@@ -336,15 +337,21 @@ angular.module('OpenSlidesApp.assignments.site', ['OpenSlidesApp.assignments'])
             });
         };
         // publish ballot
-        $scope.publishBallot = function () {
-            // TODO poll.DSUpdate()
-            $http.put('/rest/assignments/assignment/' + assignment.id + '/publish_poll/')
-                .success(function(data){
-                    $scope.alert.show = false;
-                })
-                .error(function(data){
-                    $scope.alert = { type: 'danger', msg: data.detail, show: true };
-                });
+        $scope.publishBallot = function (poll, isPublished) {
+            poll.DSUpdate({
+                    assignment_id: assignment.id,
+                    published: isPublished,
+            })
+            .then(function(success) {
+                $scope.alert.show = false;
+            })
+            .catch(function(error) {
+                var message = '';
+                for (var e in error.data) {
+                    message += e + ': ' + error.data[e] + ' ';
+                }
+                $scope.alert = { type: 'danger', msg: message, show: true };
+            });
         };
 
         // Just mark some vote value strings for translation.
diff --git a/openslides/assignments/static/templates/assignments/assignment-detail.html b/openslides/assignments/static/templates/assignments/assignment-detail.html
index 3ed3fc330..5a6c417db 100644
--- a/openslides/assignments/static/templates/assignments/assignment-detail.html
+++ b/openslides/assignments/static/templates/assignments/assignment-detail.html
@@ -97,15 +97,15 @@
             class="btn btn-default btn-sm">
           <i class="fa fa-file-pdf-o"></i> Ballot paper
         </a>
-        <button os-perms-lite="assignments.can_manage" ng-if="!poll.published" ng-click="publishBallot(poll)"
-            class="btn btn-primary btn-sm">
-          <i class="fa fa-globe"></i>
-          <translate>Publish result</translate>
-        </button>
-        <button os-perms-lite="assignments.can_manage" ng-if="poll.published" ng-click="unpublishBallot(poll)"
+        <button os-perms-lite="assignments.can_manage" ng-if="!poll.published" ng-click="publishBallot(poll, true)"
             class="btn btn-default btn-sm">
-          <i class="fa fa-globe"></i>
-          <translate>Unpublish result</translate>
+          <i class="fa fa-toggle-off"></i>
+          <translate>Not published</translate>
+        </button>
+        <button os-perms-lite="assignments.can_manage" ng-if="poll.published" ng-click="publishBallot(poll, false)"
+            class="btn btn-default btn-sm">
+          <i class="fa fa-toggle-on"></i>
+          <translate>Published</translate>
         </button>
         <a ng-click="deleteBallot(poll)" class="btn btn-default btn-sm">
           <i class="fa fa-times"></i>