diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index c19491c8..a90167f1 100755
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -5,6 +5,7 @@ class ApplicationRecord < ActiveRecord::Base
     super
 
     return unless subclass.superclass == self
+    return unless subclass.name != "Shop"
     return unless subclass.column_names.include? 'shop_code'
 
     subclass.class_eval do