diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 3dbb782..e1fd35a 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -158,11 +158,17 @@
 	var boolean exp_compl := ischosen(exp_ass_cpl.pdu.bssmap.assignmentComplete);
 	var boolean crcx_seen := false;
 	var boolean rr_modify_seen := false;
+	var ExpectCriteria mgcpcrit := {
+		connid := omit,
+		endpoint := omit,
+		transid := omit
+	};
 
 	f_create_chan_and_exp(pars);
 	/* we should now have a COMPL_L3 at the MSC */
 
 	BSSAP.receive(tr_BSSMAP_ComplL3);
+	f_create_mgcp_expect(mgcpcrit);
 	BSSAP.send(ass_cmd);
 	alt {
 	/* if we receive exactly what we expected, always return + pass */