diff --git a/app/Helper/TextHelper.php b/app/Helper/TextHelper.php
index 0f8cbb010..e201e5216 100644
--- a/app/Helper/TextHelper.php
+++ b/app/Helper/TextHelper.php
@@ -49,7 +49,7 @@ class TextHelper extends Base
         $parser = new Markdown($this->container, $isPublicLink);
         $parser->setMarkupEscaped(MARKDOWN_ESCAPE_HTML);
         $parser->setBreaksEnabled(true);
-        return $parser->text($text);
+        return $parser->text($text ?: '');
     }
 
     /**