diff --git a/app/models/service_template_transformation_plan.rb b/app/models/service_template_transformation_plan.rb
index fa6c3dc2bfc..90c655f42a2 100644
--- a/app/models/service_template_transformation_plan.rb
+++ b/app/models/service_template_transformation_plan.rb
@@ -1,4 +1,5 @@
 class ServiceTemplateTransformationPlan < ServiceTemplate
+  virtual_has_one :transformation_mapping, :uses => :transformation_mapping
   def request_class
     ServiceTemplateTransformationPlanRequest
   end