diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index f812fbefd..4b6fc4cf9 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -1475,6 +1475,27 @@ testcase TC_attach_no_imsi_response() runs on test_CT {
 	vc_conn.done;
 }
 
+private function f_sgsn_vty_destroy_subscriber_imsi(TELNETasp_PT pt, charstring imsi) {
+	f_vty_transceive(pt, "update-subscriber imsi " & imsi & " destroy");
+}
+
+testcase TC_attach_check_subscriber_list() runs on test_CT {
+	/* MS <-> SGSN: Attach
+	 * VTY -> SGSN: Check if MS is in subscriber cache
+	 */
+	var BSSGP_ConnHdlr vc_conn;
+	var integer id := 34;
+	var charstring imsi := hex2str(f_gen_imsi(id));
+
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_attach), testcasename(), g_gb[0], id);
+	vc_conn.done;
+
+	f_vty_transceive_match(SGSNVTY, "show subscriber cache", pattern "* IMSI: {imsi}*");
+	f_sgsn_vty_destroy_subscriber_imsi(SGSNVTY, imsi);
+}
+
 control {
 	execute( TC_attach() );
 	execute( TC_attach_mnc3() );
@@ -1490,6 +1511,7 @@ control {
 	execute( TC_attach_closed() );
 	execute( TC_attach_no_imei_response() );
 	execute( TC_attach_no_imsi_response() );
+	execute( TC_attach_check_subscriber_list(), 10.0 );
 	execute( TC_attach_detach_check_subscriber_list(), 10.0 );
 	execute( TC_hlr_location_cancel_request_update(), 10.0 );
 	execute( TC_hlr_location_cancel_request_withdraw(), 10.0 );