diff --git a/app/models/relay.rb b/app/models/relay.rb
index 1a8fdebc7f..813a861c68 100644
--- a/app/models/relay.rb
+++ b/app/models/relay.rb
@@ -13,7 +13,7 @@
 #
 
 class Relay < ApplicationRecord
-  validates :inbox_url, presence: true, uniqueness: true, url: true, if: :will_save_change_to_inbox_url?
+  validates :inbox_url, presence: true, uniqueness: true, url: true # rubocop:disable Rails/UniqueValidationWithoutIndex
 
   enum :state, { idle: 0, pending: 1, accepted: 2, rejected: 3 }