diff --git a/spec/models/user_cleaner_spec.rb b/spec/models/user_cleaner_spec.rb
index 5c8a2aa1e..0ac9d5527 100644
--- a/spec/models/user_cleaner_spec.rb
+++ b/spec/models/user_cleaner_spec.rb
@@ -252,7 +252,8 @@ def test_enqueues_additional_deletion_warning_mails(num_days)
 
         expect do
           UserCleaner.new.delete_users_according_to_deletion_date!
-        end.to have_enqueued_mail(UserCleanerMailer, :deletion_email)
+        end.to(have_enqueued_mail(UserCleanerMailer, :deletion_email)
+          .with { |args| expect(args).to include(user.email) })
       end
     end
   end