diff --git a/cbc/MME_ConnectionHandler.ttcn b/cbc/MME_ConnectionHandler.ttcn
index c49461a..4ab30c6 100644
--- a/cbc/MME_ConnectionHandler.ttcn
+++ b/cbc/MME_ConnectionHandler.ttcn
@@ -44,6 +44,7 @@
 	boolean sctp_is_client,
 	void_fn start_fn,
 	CBS_Message exp_cbs_msg optional,
+	SBC_AP_Cause write_replace_warning_req_cause,
 	SBC_AP_Cause write_replace_warning_ind_cause optional,
 	List_of_TAIs write_repl_unknown_TAIs optional,
 	CellId_Broadcast_List bcast_cell_id_list optional
@@ -69,11 +70,12 @@
 		tx := ts_SBCAP_WRITE_WARNING_RESP_UNKNOWN_TAI(
 						int2bit(msg.msg_id, 16),
 						int2bit(msg.ser_nr, 16),
-						SBC_AP_Cause_message_accepted,
+						g_pars.write_replace_warning_req_cause,
 						g_pars.write_repl_unknown_TAIs);
 	} else {
 		tx := ts_SBCAP_WRITE_WARNING_RESP(int2bit(msg.msg_id, 16),
-						  int2bit(msg.ser_nr, 16));
+						  int2bit(msg.ser_nr, 16),
+						  g_pars.write_replace_warning_req_cause);
 	}
 	f_SBC_AP_send(tx, idx);
 }