diff --git a/library/BSSAP_Adapter.ttcn b/library/BSSAP_Adapter.ttcn
index e27783c..6c4f30e 100644
--- a/library/BSSAP_Adapter.ttcn
+++ b/library/BSSAP_Adapter.ttcn
@@ -44,7 +44,8 @@
 	integer own_ssn,
 	integer peer_pc,
 	integer peer_ssn,
-	octetstring sio
+	octetstring sio,
+	integer rctx
 };
 
 /* construct a SCCP_PAR_Address with just PC + SSN and no GT */
@@ -97,7 +98,7 @@
 	/* connect MTP3 service provider (M3UA) to lower side of SCCP */
 	connect(ba.vc_M3UA:MTP3_SP_PORT, ba.vc_SCCP:MTP3_SCCP_PORT);
 
-	ba.vc_M3UA.start(f_M3UA_Emulation(cfg.sctp_addr));
+	ba.vc_M3UA.start(f_M3UA_Emulation(cfg.sctp_addr, cfg.rctx));
 	ba.vc_SCCP.start(SCCPStart(ba.sccp_pars));
 
 	if (isvalue(ops)) {