diff --git a/src/Entity/Note.php b/src/Entity/Note.php
index e288a14bb1..81bcdad8a4 100644
--- a/src/Entity/Note.php
+++ b/src/Entity/Note.php
@@ -350,7 +350,12 @@ class Note extends Entity
     {
         $rendered = null;
         $mentions = [];
-        Event::handle('RenderNoteContent', [$this->getContent(), $this->getContentType(), &$rendered, $this->getActor(), Language::getById($this->getLanguageId())->getLocale(), &$mentions]);
+        Event::handle('RenderNoteContent', [$this->getContent(),
+            $this->getContentType(),
+            &$rendered,
+            $this->getActor(),
+            is_null($this->getLanguageId()) ? null : Language::getById($this->getLanguageId())->getLocale(),
+            &$mentions]);
         $mentioned = [];
         foreach ($mentions as $mention) {
             foreach ($mention['mentioned'] as $m) {