diff --git a/src/applications/phriction/markup/PhrictionRemarkupRule.php b/src/applications/phriction/markup/PhrictionRemarkupRule.php
--- a/src/applications/phriction/markup/PhrictionRemarkupRule.php
+++ b/src/applications/phriction/markup/PhrictionRemarkupRule.php
@@ -275,7 +275,7 @@
     }
 
     if ($context instanceof PhrictionDocument) {
-      return $context->getSlug();
+      return $context->getContent()->getSlug();
     }
 
     return null;