diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index a1fa4dd..2c02e36 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -1103,7 +1103,7 @@
 	/* start the test with exactly all enabled MSCs allowed to attach */
 	f_vty_msc_allow_attach(BSCVTY, allow_attach);
 
-	f_ipa_ctrl_start(mp_bsc_ip, mp_bsc_ctrl_port);
+	f_ipa_ctrl_start_client(mp_bsc_ip, mp_bsc_ctrl_port);
 
 	f_init_mgcp("VirtMSC");
 
@@ -3080,7 +3080,7 @@
 	bts[0].rsl.ccm_pars.name := "Osmocom TTCN-3 BTS Simulator";
 	bts[0].rsl.ccm_pars.unit_id := "99/0/0"; /* value which is unknown at BTS */
 
-	f_ipa_ctrl_start(mp_bsc_ip, mp_bsc_ctrl_port);
+	f_ipa_ctrl_start_client(mp_bsc_ip, mp_bsc_ctrl_port);
 
 	f_init_mgcp("VirtMSC");