diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index b44de9f..a99214b 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -1940,13 +1940,18 @@
 	vc_conn.done;
 }
 
-/* test if L3 RR CLASSMARK CHANGE is translated to BSSMAP CLASSMARK UPDATE */
+/* test the procedure of the MSC requesting a Classmark Update:
+ * a) BSSMAP Classmark Request should result in RR CLASSMARK ENQUIRY,
+ * b) L3 RR CLASSMARK CHANGE should result in BSSMAP CLASSMARK UPDATE */
 private function f_tc_classmark(charstring id) runs on MSC_ConnHdlr {
 	g_pars := valueof(t_def_TestHdlrPars);
 	f_create_chan_and_exp();
 	/* we should now have a COMPL_L3 at the MSC */
 	BSSAP.receive(tr_BSSMAP_ComplL3);
 
+	BSSAP.send(ts_BSSMAP_ClassmarkRequest);
+	RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, decmatch tr_RRM_CM_ENQUIRY));
+
 	f_rsl_send_l3(ts_RRM_CM_CHG(valueof(ts_CM2)));
 	BSSAP.receive(tr_BSSMAP_ClassmarkUpd(?, omit));
 	setverdict(pass);