diff --git a/bsc-nat/MSC_ConnectionHandler.ttcn b/bsc-nat/MSC_ConnectionHandler.ttcn
index 102869c..27fbba7 100644
--- a/bsc-nat/MSC_ConnectionHandler.ttcn
+++ b/bsc-nat/MSC_ConnectionHandler.ttcn
@@ -58,7 +58,9 @@
 	create_cb := refers(CreateCallback),
 	unitdata_cb := refers(UnitdataCallback),
 	decode_dtap := false,
-	role_ms := false
+	role_ms := false,
+	sccp_addr_local := omit,
+	sccp_addr_peer := omit
 }
 
 type enumerated MSC_State {