diff --git a/library/BSSAP_Adapter.ttcn b/library/BSSAP_Adapter.ttcn
index ada66d2..cebdffe 100644
--- a/library/BSSAP_Adapter.ttcn
+++ b/library/BSSAP_Adapter.ttcn
@@ -107,7 +107,8 @@
 		connect(ba.vc_IPA:IPA_SP_PORT, ba.vc_WAIT:IPA_SP_PORT);
 		ba.vc_WAIT.start(IPA_Emulation.waiter_main());
 		ba.vc_IPA.start(IPA_Emulation.main_server(cfg.sctp_addr.local_ip_addr,
-							cfg.sctp_addr.local_sctp_port));
+							cfg.sctp_addr.local_sctp_port,
+							true, IPA_INIT_SEND_IPA_ID_ACK));
 		/* wait until we received an IPA CCM ID_ACK */
 		ba.vc_WAIT.done;
 		disconnect(ba.vc_IPA:IPA_SP_PORT, ba.vc_WAIT:IPA_SP_PORT);