diff --git a/include/bluetooth/hci.h b/include/bluetooth/hci.h
index f90661e1ec6..364ed54c2c0 100644
--- a/include/bluetooth/hci.h
+++ b/include/bluetooth/hci.h
@@ -1646,10 +1646,10 @@ struct bt_hci_rp_le_default_past_param {
 #define BT_HCI_OP_LE_READ_BUFFER_SIZE_V2        BT_OP(BT_OGF_LE, 0x0060)
 struct bt_hci_rp_le_read_buffer_size_v2 {
 	uint8_t  status;
-	uint16_t acl_mtu;
-	uint8_t  acl_max_pkt;
-	uint16_t iso_mtu;
-	uint8_t  iso_max_pkt;
+	uint16_t acl_max_len;
+	uint8_t  acl_max_num;
+	uint16_t iso_max_len;
+	uint8_t  iso_max_num;
 } __packed;
 
 #define BT_HCI_OP_LE_READ_ISO_TX_SYNC           BT_OP(BT_OGF_LE, 0x0061)
diff --git a/subsys/bluetooth/host/hci_core.c b/subsys/bluetooth/host/hci_core.c
index eeff50c7035..538e5ea58e6 100644
--- a/subsys/bluetooth/host/hci_core.c
+++ b/subsys/bluetooth/host/hci_core.c
@@ -2427,27 +2427,27 @@ static void read_buffer_size_v2_complete(struct net_buf *buf)
 
 	BT_DBG("status %u", rp->status);
 
-	bt_dev.le.acl_mtu = sys_le16_to_cpu(rp->acl_mtu);
+	bt_dev.le.acl_mtu = sys_le16_to_cpu(rp->acl_max_len);
 	if (!bt_dev.le.acl_mtu) {
 		return;
 	}
 
-	BT_DBG("ACL LE buffers: pkts %u mtu %u", rp->acl_max_pkt,
+	BT_DBG("ACL LE buffers: pkts %u mtu %u", rp->acl_max_num,
 		bt_dev.le.acl_mtu);
 
-	max_num = MIN(rp->acl_max_pkt, CONFIG_BT_CONN_TX_MAX);
+	max_num = MIN(rp->acl_max_num, CONFIG_BT_CONN_TX_MAX);
 	k_sem_init(&bt_dev.le.acl_pkts, max_num, max_num);
 
-	bt_dev.le.iso_mtu = sys_le16_to_cpu(rp->iso_mtu);
+	bt_dev.le.iso_mtu = sys_le16_to_cpu(rp->iso_max_len);
 	if (!bt_dev.le.iso_mtu) {
 		BT_ERR("ISO buffer size not set");
 		return;
 	}
 
-	BT_DBG("ISO buffers: pkts %u mtu %u", rp->iso_max_pkt,
+	BT_DBG("ISO buffers: pkts %u mtu %u", rp->iso_max_num,
 		bt_dev.le.iso_mtu);
 
-	max_num = MIN(rp->iso_max_pkt, CONFIG_BT_ISO_TX_BUF_COUNT);
+	max_num = MIN(rp->iso_max_num, CONFIG_BT_ISO_TX_BUF_COUNT);
 	k_sem_init(&bt_dev.le.iso_pkts, max_num, max_num);
 #endif /* CONFIG_BT_ISO */
 }