diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 49bf45e..bc3f186 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -396,6 +396,10 @@
 	var Result res;
 	res := TRXC_CodecPort_CtrlFunct.f_IPL4_connect(BB_TRXC, mp_bb_trxc_ip, mp_bb_trxc_port,
 							"", -1, -1, {udp:={}}, {});
+	if (not ispresent(res.connId)) {
+		setverdict(fail, "Could not connect to trx-control interface of trxcon, check your configuration");
+		self.stop;
+	}
 	g_bb_trxc_conn_id := res.connId;
 }
 
@@ -1043,6 +1047,10 @@
 	var Result res;
 	res := TRXC_CodecPort_CtrlFunct.f_IPL4_connect(BB_TRXC, mp_bb_trxc_ip, mp_bb_trxc_port,
 							"", -1, -1, {udp:={}}, {});
+	if (not ispresent(res.connId)) {
+		setverdict(fail, "Could not connect to trx-control interface of trxcon, check your configuration");
+		self.stop;
+	}
 	g_bb_trxc_conn_id := res.connId;
 }