diff --git a/app/views/admin/settings/discovery/show.html.haml b/app/views/admin/settings/discovery/show.html.haml
index b429cdd7b..f60d1c766 100644
--- a/app/views/admin/settings/discovery/show.html.haml
+++ b/app/views/admin/settings/discovery/show.html.haml
@@ -26,6 +26,9 @@
   .fields-group
     = f.input :timeline_preview, as: :boolean, wrapper: :with_label
 
+  .fields-group
+    = f.input :noindex, as: :boolean, wrapper: :with_label, label: t('admin.settings.default_noindex.title'), hint: t('admin.settings.default_noindex.desc_html')
+
   %h4= t('admin.settings.discovery.follow_recommendations')
 
   .fields-group
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 1cc53dca4..a045db1ab 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -704,6 +704,9 @@ en:
       content_retention:
         preamble: Control how user-generated content is stored in Mastodon.
         title: Content retention
+      default_noindex:
+        desc_html: Affects all users who have not changed this setting themselves
+        title: Opt users out of search engine indexing by default
       discovery:
         follow_recommendations: Follow recommendations
         preamble: Surfacing interesting content is instrumental in onboarding new users who may not know anyone Mastodon. Control how various discovery features work on your server.