diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index ae7cd73c823b..4df5e91e86ce 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3974,7 +3974,7 @@ static int hns3_init_mac_addr(struct net_device *netdev)
 {
 	struct hns3_nic_priv *priv = netdev_priv(netdev);
 	struct hnae3_handle *h = priv->ae_handle;
-	u8 mac_addr_temp[ETH_ALEN];
+	u8 mac_addr_temp[ETH_ALEN] = {0};
 	int ret = 0;
 
 	if (h->ae_algo->ops->get_mac_addr)