diff --git a/RFXtoRP_HsrPro_ExecutionflowDetected.ftl b/RFXtoRP_HsrPro_ExecutionflowDetected.ftl
index e55ef72..3a476d8 100644
--- a/RFXtoRP_HsrPro_ExecutionflowDetected.ftl
+++ b/RFXtoRP_HsrPro_ExecutionflowDetected.ftl
@@ -49,7 +49,7 @@
           preparation_order.address.territorial_division_code == "" &&
           preparation_order.address.postal_code == "" &&
           preparation_order.address.iso_country_code == "">
-            "ActorID": "${RFXtoRPprefixConsignee(preparation_order.end_consignee_code)}"
+            "ActorID": "${RFXtoRPprefixConsignee(preparation_order.end_consignee_code?json_string)}"
           <#else>
             "Actor":
              {