diff --git a/extras/diff_bot.rb b/extras/diff_bot.rb
index 73d01551..89957dbb 100644
--- a/extras/diff_bot.rb
+++ b/extras/diff_bot.rb
@@ -25,7 +25,7 @@ class DiffBot
     begin
       s = Sponge.new
       s.timeout = 45
-      s.fetch(story.archive_url)
+      s.fetch(story.archiveorg_url)
     rescue => e
       Rails.logger.error "error caching #{db_url}: #{e.message}"
     end