diff --git a/app/presenters/post_presenter.rb b/app/presenters/post_presenter.rb
index 7a2e33847..6e783d000 100644
--- a/app/presenters/post_presenter.rb
+++ b/app/presenters/post_presenter.rb
@@ -71,10 +71,6 @@ class PostPresenter < Presenter
   def humanized_essential_tag_string
     string = []
 
-    if @post.rating != "s"
-      string << "#r-18"
-    end
-
     if @post.character_tags.any?
       chartags = @post.character_tags.slice(0, 5)
       if @post.character_tags.length > 5
diff --git a/app/views/posts/show.html.erb b/app/views/posts/show.html.erb
index 6f14c2bf7..2540ff574 100644
--- a/app/views/posts/show.html.erb
+++ b/app/views/posts/show.html.erb
@@ -121,7 +121,7 @@
   <meta name="post-is-flagged" content="<%= @post.is_flagged? %>">
   <meta name="config-large-width" content="<%= Danbooru.config.large_image_width %>">
   <meta name="always-resize-images" content="<%= CurrentUser.user.always_resize_images? %>">
-  <meta property="og:title" content="<%= @post.presenter.humanized_essential_tag_string %> - <%= Danbooru.config.app_name %>">
+  <meta property="og:title" content="<%= '#r-18 ' unless @post.rating == 's' %><%= @post.presenter.humanized_essential_tag_string %> - <%= Danbooru.config.app_name %>">
   <meta property="og:description" content="<%= @post.presenter.humanized_tag_string %>">
   <meta property="og:image" content="<%= @post.preview_file_url %>">