diff --git a/app/models/antenna.rb b/app/models/antenna.rb
index 333a863233..c66ad0366f 100644
--- a/app/models/antenna.rb
+++ b/app/models/antenna.rb
@@ -40,7 +40,7 @@ class Antenna < ApplicationRecord
   validate :list_owner
 
   def list_owner
-    raise Mastodon::ValidationError, I18n.t('antennas.errors.invalid_list_owner') if list.present? && list.account != account
+    raise Mastodon::ValidationError, I18n.t('antennas.errors.invalid_list_owner') if !list_id.zero? && list.present? && list.account != account
   end
 
   def enabled?