diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index b4773027..a1947ea0 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -100,7 +100,7 @@ namespace :mastodon do
       # only have a user record and an avatar record, with no files uploaded
       User.where('confirmed_at is NULL AND confirmation_sent_at <= ?', 2.days.ago).find_in_batches do |batch|
         Account.where(id: batch.map(&:account_id)).delete_all
-        batch.delete_all
+        User.where(id: batch.map(&:id)).delete_all
       end
     end
   end