diff --git a/bts/BTS_Tests_perf.ttcn b/bts/BTS_Tests_perf.ttcn
index 1e70bc8..5b3b672 100644
--- a/bts/BTS_Tests_perf.ttcn
+++ b/bts/BTS_Tests_perf.ttcn
@@ -86,7 +86,8 @@
 }
 testcase TC_highchanload_tchh() runs on test_CT {
 	var ConnHdlr vc_conn; /* 1..7 * 2 */
-	var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN, 60.0 + mp_wait_time));
+	var ConnHdlrPars pars := valueof(t_Pars(t_RslChanNr_Bm(1), ts_RSL_ChanMode_SIGN,
+						t_guard := 60.0 + mp_wait_time));
 
 	f_init();