diff --git a/RPtoRFX_PrepOrder.ftl b/RPtoRFX_PrepOrder.ftl
index 3843c8e..6cfb809 100644
--- a/RPtoRFX_PrepOrder.ftl
+++ b/RPtoRFX_PrepOrder.ftl
@@ -21,7 +21,7 @@
 	"method" : "POST",
 	"uri_substitutions": {
 		"activity_code": "${activity_code}",
-		"physical_depot_code": "${executionflow.ShipFrom.ActorID}",
+		"physical_depot_code": "${RPtoRFXprefixDepot(executionflow.ShipFrom.ActorID)}",
 		"originator_code": "${originator_code}"
 	},
 	"payload" :