diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 8524f4b..dd044e0 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -747,6 +747,7 @@
 	boolean		use_osmux_bts,
 	charstring	host_aoip_tla,
 	TestHdlrParamsMSCPool mscpool,
+	integer		mgwpool_idx, /* MGCP_Emulation_CT (vc_MGCP) to use for this MSC ConnHdlr */
 	boolean		media_mgw_offer_ipv6,
 	OCT3		last_used_eutran_plmn optional,
 	boolean		exp_fast_return, /* RR Release expected to contain CellSelectInd ? */
@@ -790,6 +791,7 @@
 		rsl_idx := 0,
 		l3_info := omit
 	},
+	mgwpool_idx := 0,
 	media_mgw_offer_ipv6 := true,
 	last_used_eutran_plmn := omit,
 	exp_fast_return := false,