diff --git a/shared/start-process/start-process.bpmn b/shared/start-process/start-process.bpmn
index 2fe3f32c..52ce4f7c 100644
--- a/shared/start-process/start-process.bpmn
+++ b/shared/start-process/start-process.bpmn
@@ -10,7 +10,8 @@
       <bpmn:outgoing>Flow_1m5aamy</bpmn:outgoing>
       <bpmn:script>process = {}
 process["group_id"] = "execute-procure-to-pay"
-process["model_id"] = "cc-invoice-approval-process"</bpmn:script>
+process["model_id"] = "cc-invoice-approval-process"
+process["instance_id"] = process_instance_id</bpmn:script>
     </bpmn:scriptTask>
     <bpmn:endEvent id="Event_1ghzw9d">
       <bpmn:incoming>Flow_1m5aamy</bpmn:incoming>