diff --git a/app/views/articles/_full_comment_area.html.erb b/app/views/articles/_full_comment_area.html.erb
index eff71ad695993..575cb215d7c72 100644
--- a/app/views/articles/_full_comment_area.html.erb
+++ b/app/views/articles/_full_comment_area.html.erb
@@ -58,7 +58,7 @@
             <%= render partial: "articles/comment_tree",
                        collection: article_comment_tree(@article, @comments_to_show_count, @comments_order),
                        as: :comment_node,
-                       cached: proc { |comment, _sub_comments| [comment, @comments_order, user_signed_in] } %>
+                       cached: proc { |comment, _sub_comments| [comment, @comments_order, user_signed_in?] } %>
           <% end %>
         </div>
       </div>