diff --git a/app/jobs/scheduled/purge_expired_ignored_users.rb b/app/jobs/scheduled/purge_expired_ignored_users.rb
index 96b10837a6..0c2a87c8c9 100644
--- a/app/jobs/scheduled/purge_expired_ignored_users.rb
+++ b/app/jobs/scheduled/purge_expired_ignored_users.rb
@@ -5,7 +5,8 @@ module Jobs
     every 1.day
 
     def execute(args)
-      IgnoredUser.where("created_at <= ? OR expiring_at <= ?", 4.months.ago, Time.zone.now).delete_all
+      IgnoredUser.where("expiring_at <= ?", Time.zone.now).delete_all
+      IgnoredUser.where("created_at <= ? AND expiring_at IS NULL", 4.months.ago).delete_all
     end
   end
 end