diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index f4969d782362..e1b4580f78dd 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -602,7 +602,7 @@ static int lowpan_header_create(struct sk_buff *skb,
 			da.short_addr = IEEE802154_ADDR_BROADCAST;
 		} else {
 			da.addr_type = IEEE802154_ADDR_LONG;
-			memcpy(&(da.hwaddr), daddr, 8);
+			memcpy(&(da.hwaddr), daddr, IEEE802154_ADDR_LEN);
 
 			/* request acknowledgment */
 			mac_cb(skb)->flags |= MAC_CB_FLAG_ACKREQ;