diff --git a/src/applications/phriction/storage/PhrictionContent.php b/src/applications/phriction/storage/PhrictionContent.php
index ae01970c95..55c47c91e0 100644
--- a/src/applications/phriction/storage/PhrictionContent.php
+++ b/src/applications/phriction/storage/PhrictionContent.php
@@ -17,11 +17,12 @@ final class PhrictionContent extends PhrictionDAO
   protected $slug;
   protected $content;
   protected $description;
-  protected $renderedTableOfContents;
 
   protected $changeType;
   protected $changeRef;
 
+  private $renderedTableOfContents;
+
   public function renderContent(PhabricatorUser $viewer) {
     return PhabricatorMarkupEngine::renderOneObject(
       $this,