diff --git a/Procfile b/Procfile
index e7f4ebb6..508a93c6 100644
--- a/Procfile
+++ b/Procfile
@@ -1,3 +1,3 @@
 cleanup: bundle exec rake cleanup:everything
 stats: bundle exec rake stats:process_all
-emergency_cleanup: bundle exec rake cleanup:everything[7]
+emergency_cleanup: bundle exec rake cleanup:everything BEFORE=7
diff --git a/lib/tasks/cleanup.rake b/lib/tasks/cleanup.rake
index 6ea48c0d..20044871 100644
--- a/lib/tasks/cleanup.rake
+++ b/lib/tasks/cleanup.rake
@@ -3,6 +3,8 @@
 namespace :cleanup do
   desc 'Cleanup sites'
   task everything: :environment do |_, args|
-    CleanupJob.perform_later((args.extras.first || 30).to_i.days.ago)
+    before = ENV.fetch('BEFORE', '30').to_i.days.ago
+
+    CleanupJob.perform_later(before)
   end
 end