diff --git a/msc_tests/MSC_Tests.ttcn b/msc_tests/MSC_Tests.ttcn
index 0acfdb2..68e0bef 100644
--- a/msc_tests/MSC_Tests.ttcn
+++ b/msc_tests/MSC_Tests.ttcn
@@ -336,9 +336,8 @@
 
 private function f_tc_lu_imsi_noauth_tmsi(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
 	g_pars := pars;
-	f_perform_lu(false, true);
+	f_perform_lu(false, true, true);
 }
-
 testcase TC_lu_imsi_noauth_tmsi() runs on MTC_CT {
 	var BSC_ConnHdlr vc_conn;
 	f_init();
@@ -349,9 +348,8 @@
 
 private function f_tc_lu_imsi_noauth_notmsi(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
 	g_pars := pars;
-	f_perform_lu(false, false);
+	f_perform_lu(false, false, true);
 }
-
 testcase TC_lu_imsi_noauth_notmsi() runs on MTC_CT {
 	var BSC_ConnHdlr vc_conn;
 	f_init();