diff --git a/RFXtoRP_HsrCarrierApt_AppointmentCommissionsUpdated.ftl b/RFXtoRP_HsrCarrierApt_AppointmentCommissionsUpdated.ftl
index bc4d8cc..5a91f9a 100644
--- a/RFXtoRP_HsrCarrierApt_AppointmentCommissionsUpdated.ftl
+++ b/RFXtoRP_HsrCarrierApt_AppointmentCommissionsUpdated.ftl
@@ -7,7 +7,7 @@
         },
 		"ID": {
 			"RefDate": {
-			"AuthorTimeZone": "time_zone_rfx",
+			"AuthorTimeZone": "${time_zone_rfx}",
 			"DateTime": "${creation_datetime}"
 			},
 			<#if carrier_apt.appointment_reference?? && carrier_apt.appointment_reference!="">