diff --git a/app/models/service_template.rb b/app/models/service_template.rb
index 31c6652acc7..d67929ae1d4 100644
--- a/app/models/service_template.rb
+++ b/app/models/service_template.rb
@@ -65,6 +65,7 @@ class ServiceTemplate < ApplicationRecord
   virtual_has_one :config_info, :class_name => "Hash"
 
   scope :with_service_template_catalog_id,          ->(cat_id) { where(:service_template_catalog_id => cat_id) }
+  scope :without_service_template_catalog_id,       ->         { where(:service_template_catalog_id => nil) }
   scope :with_existent_service_template_catalog_id, ->         { where.not(:service_template_catalog_id => nil) }
   scope :displayed,                                 ->         { where(:display => true) }