diff --git a/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php b/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php
index d56d9fce4f..71a6395b22 100644
--- a/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php
+++ b/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php
@@ -53,6 +53,8 @@ use yii\base\InvalidArgumentException;
  */
 abstract class AbstractRichText extends JsWidget
 {
+    const PRESET_DOCUMENT = 'document';
+
     /**
      * @event Event an event raised after the post-process phase of the rich text.
      */
diff --git a/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php b/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
index c68c474d13..b91638a4ea 100644
--- a/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
+++ b/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
@@ -154,7 +154,7 @@ class ProsemirrorRichText extends AbstractRichText
             }
         }
 
-        $this->text = static::parseMentionings($this->text, $this->edit);
+        $this->text = $this->parseOutput();
 
         if ($this->maxLength > 0) {
             $this->text = Helpers::truncateText($this->text, $this->maxLength);
@@ -168,6 +168,14 @@ class ProsemirrorRichText extends AbstractRichText
 
     }
 
+    /**
+     * @since v1.3.2
+     */
+    protected function parseOutput()
+    {
+        return static::parseMentionings($this->text, $this->edit);
+    }
+
     /**
      * @return string truncated and stripped text
      */
@@ -215,9 +223,13 @@ class ProsemirrorRichText extends AbstractRichText
                 return $container->isActive()
                     ?  '['.Html::encode($container->getDisplayName()).'](mention:'.$container->guid.' "'.$container->getUrl().'")'
                     : $notFoundResult;
-            } elseif($container instanceof Space) {
+            }
+
+            if($container instanceof Space) {
                 return '['.Html::encode($container->name).'](mention:'.$container->guid.' "'.$container->getUrl().'")';
             }
+
+            return '';
         });
     }