diff --git a/mbuni/mmlib/mms_strings.def b/mbuni/mmlib/mms_strings.def
index 4a393a7..5f21839 100644
--- a/mbuni/mmlib/mms_strings.def
+++ b/mbuni/mmlib/mms_strings.def
@@ -306,6 +306,7 @@ VNSTRING(MM7_5, "faultstring",MM7_TAG_faultstring)
 VNSTRING(MM7_5, "MessageType",MM7_TAG_MessageType)
 VNSTRING(MM7_5, "replyChargingSize", MM7_TAG_replyChargingSize)
 VNSTRING(MM7_5, "replyDeadline", MM7_TAG_replyDeadline)
+VNSTRING(MM7_5, "DeliveryReport", MM7_TAG_DeliveryReport)
 )
 
 NUMBERED(soap_status,