diff --git a/CHANGELOG b/CHANGELOG
index 915486123..e1e42c068 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -31,6 +31,7 @@ Core:
 - Added template hook system for plugins.
 - Made a lot of code clean up, improvements and bug fixes in client and
   backend.
+- Use CKEditor for editing projector messages.
 
 Motions:
 - Added adjustable line numbering mode (outside, inside, none) for each
diff --git a/openslides/core/static/js/core/base.js b/openslides/core/static/js/core/base.js
index a6b2ac8f5..bed46f257 100644
--- a/openslides/core/static/js/core/base.js
+++ b/openslides/core/static/js/core/base.js
@@ -778,6 +778,13 @@ angular.module('OpenSlidesApp.core', [
                     });
                     // if it was the same projector before, just delete it but not show again
                     if (_.indexOf(isProjectedIds, projectorId) == -1) {
+                        // Now check whether other messages are already projected and delete them
+                        var elements = Projector.get(projectorId).elements;
+                        _.forEach(elements, function (element, uuid) {
+                            if (element.name === name) {
+                                $http.post('/rest/core/projector/' + projectorId + '/deactivate_elements/', [uuid]);
+                            }
+                        });
                         return $http.post(
                             '/rest/core/projector/' + projectorId + '/activate_elements/',
                             [{name: name, id: self.id, stable: true}]
diff --git a/openslides/core/static/js/core/site.js b/openslides/core/static/js/core/site.js
index 645b289c7..29530ff25 100644
--- a/openslides/core/static/js/core/site.js
+++ b/openslides/core/static/js/core/site.js
@@ -381,6 +381,43 @@ angular.module('OpenSlidesApp.core.site', [
     }
 ])
 
+.factory('ProjectorMessageForm', [
+    'Editor',
+    'gettextCatalog',
+    function (Editor, gettextCatalog) {
+        return {
+            getDialog: function (message) {
+                return {
+                    template: 'static/templates/core/projector-message-form.html',
+                    controller: 'ProjectorMessageEditCtrl',
+                    className: 'ngdialog-theme-default wide-form',
+                    closeByEscape: false,
+                    closeByDocument: false,
+                    resolve: {
+                        projectorMessage: function () {
+                            return message;
+                        }
+                    },
+                };
+            },
+            getFormFields: function () {
+                return [
+                    {
+                        key: 'message',
+                        type: 'editor',
+                        templateOptions: {
+                            label: gettextCatalog.getString('Message'),
+                        },
+                        data: {
+                            ckeditorOptions: Editor.getOptions()
+                        }
+                    },
+                ];
+            },
+        };
+    }
+])
+
 /* This factory handles the filtering of the OS-data-tables. It contains
  * all logic needed for the table header filtering. Things to configure:
  * - multiselectFilters: A dict associating the filter name to a list (empty per default). E.g.
@@ -992,8 +1029,11 @@ angular.module('OpenSlidesApp.core.site', [
     'ProjectorMessage',
     'Countdown',
     'gettextCatalog',
+    'ngDialog',
+    'ProjectorMessageForm',
     function($scope, $http, $interval, $state, $q, Config, Projector, CurrentListOfSpeakersItem,
-        ListOfSpeakersOverlay, ProjectionDefault, ProjectorMessage, Countdown, gettextCatalog) {
+        ListOfSpeakersOverlay, ProjectionDefault, ProjectorMessage, Countdown, gettextCatalog,
+        ngDialog, ProjectorMessageForm) {
         ProjectorMessage.bindAll({}, $scope, 'messages');
 
         var intervals = [];
@@ -1106,8 +1146,7 @@ angular.module('OpenSlidesApp.core.site', [
 
         // *** message functions ***
         $scope.editMessage = function (message) {
-            message.editFlag = false;
-            ProjectorMessage.save(message);
+            ngDialog.open(ProjectorMessageForm.getDialog(message));
         };
         $scope.addMessage = function () {
             var message = {message: ''};
@@ -1130,6 +1169,23 @@ angular.module('OpenSlidesApp.core.site', [
     }
 ])
 
+.controller('ProjectorMessageEditCtrl', [
+    '$scope',
+    'projectorMessage',
+    'ProjectorMessage',
+    'ProjectorMessageForm',
+    function ($scope, projectorMessage, ProjectorMessage, ProjectorMessageForm) {
+        $scope.formFields = ProjectorMessageForm.getFormFields();
+        $scope.model = angular.copy(projectorMessage);
+
+        $scope.save = function (message) {
+            ProjectorMessage.inject(message);
+            ProjectorMessage.save(message);
+            $scope.closeThisDialog();
+        };
+    }
+])
+
 .controller('ManageProjectorsCtrl', [
     '$scope',
     '$http',
diff --git a/openslides/core/static/templates/core/projector-controls.html b/openslides/core/static/templates/core/projector-controls.html
index 2f573178f..a855e96f4 100644
--- a/openslides/core/static/templates/core/projector-controls.html
+++ b/openslides/core/static/templates/core/projector-controls.html
@@ -61,7 +61,7 @@
             </a>
           </div>
 
-          <div class="btn-group" ng-show="projectors.length > 1">
+          <div class="btn-group nobr" ng-show="projectors.length > 1">
             <button class="btn btn-sm" ng-class="broadcast == active_projector.id ? 'btn-primary' : 'btn-default'"
               ng-click="active_projector.toggleBroadcast()" ng-disabled="broadcast > 0 && broadcast != active_projector.id">
               <i class="fa" ng-class="broadcast == active_projector.id ? 'fa-star' : 'fa-star-o'"></i>
@@ -240,7 +240,7 @@
               <i class="fa fa-times"></i>
             </button>
             <button type="button" class="close editicon"
-              ng-click="message.editFlag=true"
+              ng-click="editMessage(message)"
               title="{{ 'Edit message' | translate}}">
               <i class="fa fa-pencil"></i>
             </button>
@@ -250,18 +250,7 @@
               ng-class="{ 'projected': isProjected(message).length }">
             <projector-button model="message" default-projector-id="messageDefaultProjectorId"></projector-button>
             &nbsp;&nbsp;
-            <div class="innermessage" ng-bind-html="message.message"> </div>
-
-            <div class="panel-input">
-              <div ng-if="message.editFlag" class="input-group">
-                <input ng-model="message.message" type="text" class="form-control input-sm">
-                <a ng-click="editMessage(message)"
-                  title="{{ 'Save' | translate}}"
-                  class="btn btn-sm btn-primary input-group-addon">
-                  <i class="fa fa-check"></i>
-                </a>
-              </div>
-            </div>
+            <div class="innermessage" ng-bind-html="message.message | trusted"></div>
           </div>
         </div>
         <!-- Add message button -->
diff --git a/openslides/core/static/templates/core/projector-message-form.html b/openslides/core/static/templates/core/projector-message-form.html
new file mode 100644
index 000000000..39acae226
--- /dev/null
+++ b/openslides/core/static/templates/core/projector-message-form.html
@@ -0,0 +1,12 @@
+<h1 translate>Edit message</h1>
+
+<form name="messageForm" ng-submit="save(model)" novalidate>
+  <formly-form model="model" fields="formFields">
+    <button type="submit" ng-disabled="motionForm.$invalid" class="btn btn-primary" translate>
+      Save
+    </button>
+    <button type="button" ng-click="closeThisDialog()" class="btn btn-default" translate>
+      Cancel
+    </button>
+  </formly-form>
+</form>
diff --git a/openslides/core/static/templates/core/slide_message.html b/openslides/core/static/templates/core/slide_message.html
index 80f757212..0ea8c2a0f 100644
--- a/openslides/core/static/templates/core/slide_message.html
+++ b/openslides/core/static/templates/core/slide_message.html
@@ -1,4 +1,4 @@
 <div ng-controller="SlideMessageCtrl">
   <div class="message_background"></div>
-  <div class="message well" ng-class="{'identify': element.identify}" ng-bind-html="element.identify ? identifyMessage : message.message"></div>
+  <div class="message well" ng-class="{'identify': element.identify}" ng-bind-html="(element.identify ? identifyMessage : message.message) | trusted"></div>
 </div>