diff --git a/src/PostAttributes.php b/src/PostAttributes.php
index 3396e3d..320a788 100644
--- a/src/PostAttributes.php
+++ b/src/PostAttributes.php
@@ -85,7 +85,7 @@ protected function getActorReactionForPost(User $actor, Post $post, ServerReques
             }
 
             return PostAnonymousReaction::where('post_id', $post->id)
-                ->where('guest_id', $request->getAttribute('session')->getId())
+                ->where('guest_id', $session->getId())
                 ->value('reaction_id');
         }