diff --git a/openslides/assignments/static/js/assignments/pdf.js b/openslides/assignments/static/js/assignments/pdf.js
index c1df67933..26bfb979c 100644
--- a/openslides/assignments/static/js/assignments/pdf.js
+++ b/openslides/assignments/static/js/assignments/pdf.js
@@ -6,9 +6,10 @@ angular.module('OpenSlidesApp.assignments.pdf', ['OpenSlidesApp.core.pdf'])
 
 .factory('AssignmentContentProvider', [
     '$filter',
+    'HTMLValidizer',
     'gettextCatalog',
     'PDFLayout',
-    function($filter, gettextCatalog, PDFLayout) {
+    function($filter, HTMLValidizer, gettextCatalog, PDFLayout) {
 
         var createInstance = function(assignment) {
 
@@ -39,6 +40,7 @@ angular.module('OpenSlidesApp.assignments.pdf', ['OpenSlidesApp.core.pdf'])
             // description
             var createDescription = function() {
                 if (assignment.description) {
+                    var html = HTMLValidizer.validize(assignment.description);
                     var descriptionText = gettextCatalog.getString("Description") + ":";
                     var description = [
                         {
@@ -47,7 +49,7 @@ angular.module('OpenSlidesApp.assignments.pdf', ['OpenSlidesApp.core.pdf'])
                             style: 'textItem'
                         },
                         {
-                            text: $(assignment.description).text(),
+                            text: $(html).text(),
                             style: 'textItem',
                             margin: [10, 0, 0, 0]
                         }
diff --git a/openslides/core/static/js/core/pdf.js b/openslides/core/static/js/core/pdf.js
index 5ce270beb..bd9823b1a 100644
--- a/openslides/core/static/js/core/pdf.js
+++ b/openslides/core/static/js/core/pdf.js
@@ -144,9 +144,9 @@ angular.module('OpenSlidesApp.core.pdf', [])
                     return str;
                 }
             });
-            return "<p>" + str + "</p>";
+            return '<p>' + str + '</p>';
         } else {
-            return ""; //needed for blank "reasons" field
+            return ''; //needed for blank "reasons" field
         }
     };
     return HTMLValidizer;