diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index 2409c4ac574d9..dc23ef8d8a8e5 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -34,7 +34,8 @@ def silence_accounts!
   end
 
   def suspend_accounts!
-    blocked_domain_accounts.without_suspended.reorder(nil).find_each do |account|
+    blocked_domain_accounts.without_suspended.in_batches.update_all(suspended_at: @domain_block.created_at)
+    blocked_domain_accounts.where(suspended_at: @domain_block.created_at).reorder(nil).find_each do |account|
       SuspendAccountService.new.call(account, reserve_username: true, suspended_at: @domain_block.created_at)
     end
   end