diff --git a/app/views/layouts/forum.html.erb b/app/views/layouts/forum.html.erb
index 1375a61a..2901e560 100644
--- a/app/views/layouts/forum.html.erb
+++ b/app/views/layouts/forum.html.erb
@@ -10,7 +10,7 @@
   <%= javascript_include_tag 'thredded',
                              async: !Rails.application.config.assets.debug,
                              defer: true %>
-  <%== Gravatar.prefetch_dns %>
+  <%== RailsGravatar.prefetch_dns_tag %>
 </head>
 <body data-in-app="true" class="<%= 'has-fixed-sidenav' if user_signed_in? %> <%= 'dark' if user_signed_in? && current_user.dark_mode_enabled? %>">
   <%= render 'layouts/sidenav' if user_signed_in? %>
