diff --git a/src/gb/gprs_ns2_vc_fsm.c b/src/gb/gprs_ns2_vc_fsm.c
index 7ed8299..341a5a1 100644
--- a/src/gb/gprs_ns2_vc_fsm.c
+++ b/src/gb/gprs_ns2_vc_fsm.c
@@ -209,7 +209,7 @@
 
 	priv->alive.mode = NS_TOUT_TNS_TEST;
 	osmo_timer_schedule(&priv->alive.timer, nsi->timeout[NS_TOUT_TNS_TEST], 0);
-	osmo_stat_item_set(nsvc->statg->items[NS_STAT_ALIVE_DELAY],
+	osmo_stat_item_set(osmo_stat_item_group_get_item(nsvc->statg, NS_STAT_ALIVE_DELAY),
 		alive_timer_elapsed_ms(priv));
 }
 
@@ -229,7 +229,7 @@
 		osmo_timer_schedule(&priv->alive.timer, nsi->timeout[NS_TOUT_TNS_ALIVE], 0);
 		break;
 	case NS_TOUT_TNS_ALIVE:
-		rate_ctr_inc(&priv->nsvc->ctrg->ctr[NS_CTR_LOST_ALIVE]);
+		rate_ctr_inc(rate_ctr_group_get_ctr(priv->nsvc->ctrg, NS_CTR_LOST_ALIVE));
 		priv->alive.N++;
 
 		if (priv->alive.N <= nsi->timeout[NS_TOUT_TNS_ALIVE_RETRIES]) {
@@ -335,7 +335,7 @@
 
 	if (old_state != GPRS_NS2_ST_BLOCKED) {
 		priv->N = 0;
-		rate_ctr_inc(&priv->nsvc->ctrg->ctr[NS_CTR_BLOCKED]);
+		rate_ctr_inc(rate_ctr_group_get_ctr(priv->nsvc->ctrg, NS_CTR_BLOCKED));
 	}
 
 	if (priv->om_blocked) {
@@ -410,7 +410,7 @@
 	struct gprs_ns2_nse *nse = nsvc->nse;
 
 	if (old_state != GPRS_NS2_ST_UNBLOCKED)
-		rate_ctr_inc(&nsvc->ctrg->ctr[NS_CTR_UNBLOCKED]);
+		rate_ctr_inc(rate_ctr_group_get_ctr(nsvc->ctrg, NS_CTR_UNBLOCKED));
 
 	priv->accept_unitdata = true;
 	ns2_nse_notify_unblocked(nsvc, true);
@@ -525,7 +525,7 @@
 	switch (fi->state) {
 	case GPRS_NS2_ST_RESET:
 		if (priv->initiate_reset) {
-			rate_ctr_inc(&priv->nsvc->ctrg->ctr[NS_CTR_LOST_RESET]);
+			rate_ctr_inc(rate_ctr_group_get_ctr(priv->nsvc->ctrg, NS_CTR_LOST_RESET));
 			priv->N++;
 			if (priv->N <= nsi->timeout[NS_TOUT_TNS_RESET_RETRIES]) {
 				osmo_fsm_inst_state_chg(fi, GPRS_NS2_ST_RESET, nsi->timeout[NS_TOUT_TNS_RESET], 0);