diff --git a/lib/classes/Markup.class.php b/lib/classes/Markup.class.php
index 31438a6e68de0084a1ab587324dce9251fb77658..6a20006231ae3d3b1db2761f70432500e7a1ea63 100644
--- a/lib/classes/Markup.class.php
+++ b/lib/classes/Markup.class.php
@@ -347,6 +347,7 @@ class Markup
             'float',
             'border'
         ]);
+        $config->set('CSS.MaxImgLength', null);
 
         if ($autoformat) {
             $config->set('AutoFormat.Linkify', true);