diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
index af11385..2fb9bd8 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
@@ -2452,6 +2452,7 @@
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: Set Ciphering Mode
 DMM IMSI-901700000004620: to determine whether A5/3 is supported, first ask for a Classmark Update to obtain Classmark 2
 DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: Tx BSSMAP CLASSMARK REQUEST to BSC
+DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: N-DATA.req([])
   BSC <--BSSAP-BSS-MANAGEMENT-- MSC: CLASSMARK REQ [L3]> 00 01 58 
 DMM RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: state_chg to RAN_CONN_S_WAIT_CLASSMARK_UPDATE
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
@@ -2987,6 +2988,7 @@
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: Set Ciphering Mode
 DMM IMSI-901700000004620: to determine whether A5/3 is supported, first ask for a Classmark Update to obtain Classmark 2
 DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: Tx BSSMAP CLASSMARK REQUEST to BSC
+DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: N-DATA.req([])
   BSC <--BSSAP-BSS-MANAGEMENT-- MSC: CLASSMARK REQ [L3]> 00 01 58 
 DMM RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: state_chg to RAN_CONN_S_WAIT_CLASSMARK_UPDATE
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
@@ -3295,6 +3297,7 @@
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){PR_ARQ_S_WAIT_AUTH}: Set Ciphering Mode
 DMM IMSI-901700000004620:MSISDN-42342: to determine whether A5/3 is supported, first ask for a Classmark Update to obtain Classmark 2
 DBSSAP RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Tx BSSMAP CLASSMARK REQUEST to BSC
+DBSSAP RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: N-DATA.req([])
   BSC <--BSSAP-BSS-MANAGEMENT-- MSC: CLASSMARK REQ [L3]> 00 01 58 
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: state_chg to RAN_CONN_S_WAIT_CLASSMARK_UPDATE
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_WAIT_CIPH
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.err b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
index e09389c..72d116a 100644
--- a/tests/msc_vlr/msc_vlr_test_ms_timeout.err
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
@@ -686,6 +686,7 @@
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: Set Ciphering Mode
 DMM IMSI-901700000004620: to determine whether A5/3 is supported, first ask for a Classmark Update to obtain Classmark 2
 DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: Tx BSSMAP CLASSMARK REQUEST to BSC
+DBSSAP RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: N-DATA.req([])
   BSC <--BSSAP-BSS-MANAGEMENT-- MSC: CLASSMARK REQ [L3]> 00 01 58 
 DMM RAN_conn(IMSI-901700000004620:GERAN-A-0:LU){RAN_CONN_S_AUTH_CIPH}: state_chg to RAN_CONN_S_WAIT_CLASSMARK_UPDATE
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A-0:LU){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
index eb6df09..4a17789 100644
--- a/tests/msc_vlr/msc_vlr_tests.c
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -193,6 +193,12 @@
 
 enum osmo_rat_type rx_from_ran = OSMO_RAT_GERAN_A;
 
+/* SCCP user stub to make a_iface_tx_bssap() happy during test case execution */
+struct osmo_sccp_user {
+	uint8_t foo;
+};
+static struct osmo_sccp_user g_scu;
+
 struct ran_conn *conn_new(void)
 {
 	struct ran_conn *conn;
@@ -203,6 +209,8 @@
 			.conn_id = 42,
 		};
 		conn->iu.ue_ctx = ue_ctx;
+	} else {
+		conn->a.scu = &g_scu;
 	}
 	return conn;
 }