diff --git a/app/presenters/post_presenter.rb b/app/presenters/post_presenter.rb
index 537f9a6fa..bb7be1799 100644
--- a/app/presenters/post_presenter.rb
+++ b/app/presenters/post_presenter.rb
@@ -52,6 +52,7 @@ class PostPresenter < Presenter
       data-has-children="#{post.has_children?}"
       data-score="#{post.score}"
       data-fav-count="#{post.fav_count}"
+      data-pixiv-id="#{post.pixiv_id}"
     }.html_safe
   end