diff --git a/app/views/robots/index.text.erb b/app/views/robots/index.text.erb
index 77e1a29a5..859841bc9 100644
--- a/app/views/robots/index.text.erb
+++ b/app/views/robots/index.text.erb
@@ -5,6 +5,9 @@ Allow: /$
 <% if !Rails.env.production? || Danbooru.config.hostname == request.host %>
 Disallow: /*.atom
 Disallow: /*.json
+Disallow: /posts?tags=source:*
+Disallow: /posts?tags=ordfav:*
+Disallow: /posts?tags=approver:*
 
 Disallow: <%= artist_urls_path %>
 Disallow: <%= artist_versions_path %>