diff --git a/RFXtoRP_HsrPrepa_TrackingHuLabelled.ftl b/RFXtoRP_HsrPrepa_TrackingHuLabelled.ftl
index 4b444f1..e4b6d5c 100644
--- a/RFXtoRP_HsrPrepa_TrackingHuLabelled.ftl
+++ b/RFXtoRP_HsrPrepa_TrackingHuLabelled.ftl
@@ -16,6 +16,8 @@
         <#case 1>
           <#if despatched_ipg.consignment_unit_id!="">
 			      "RefID": "${despatched_ipg.consignment_unit_id?trim?json_string}",
+          <#else>
+            "RefID":"",
           </#if>
         <#break>
         <#case 2>