diff --git a/db/migrate/20210708131814_add_json_statuses_history_field_to_domain.rb b/db/migrate/20210708131814_add_json_statuses_history_field_to_domain.rb
index 658cdb313..74d9cee54 100644
--- a/db/migrate/20210708131814_add_json_statuses_history_field_to_domain.rb
+++ b/db/migrate/20210708131814_add_json_statuses_history_field_to_domain.rb
@@ -1,6 +1,6 @@
 class AddJsonStatusesHistoryFieldToDomain < ActiveRecord::Migration[6.1]
   def change
 		add_column :domains, :json_statuses_history, :jsonb, if_not_exists: true
-    add_index :domains, :json_statuses_history, using: :gin
+    add_index :domains, :json_statuses_history, using: :gin, if_not_exists: true
   end
 end