diff --git a/webseite/topicEditor.php b/webseite/topicEditor.php
index e322136..b3669cd 100644
--- a/webseite/topicEditor.php
+++ b/webseite/topicEditor.php
@@ -154,9 +154,8 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
             $formulas[] = new Task($text, $answers);
         }
 
-        $article = htmlentities($_POST['article'], ENT_HTML401, 'UTF-8');
+        $article = mb_convert_encoding($_POST['article'], 'HTML-ENTITIES', 'UTF-8');
         $dom = new DOMDocument();
-        $dom->encoding = 'UTF-8';
         $dom->loadHTML($article, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
         $htmlImages = $dom->getElementsByTagName('img');
         $newImages = array();