diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index ef723b185d853794746a3882cf54e4c00a205699..eaf9ff0262a9c63594e7d80c617d87098c957fa6 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -5675,7 +5675,7 @@ static int netdev_set_mac_address(struct net_device *dev, void *addr)
 		memcpy(hw->override_addr, mac->sa_data, ETH_ALEN);
 	}
 
-	memcpy(dev->dev_addr, mac->sa_data, MAX_ADDR_LEN);
+	memcpy(dev->dev_addr, mac->sa_data, ETH_ALEN);
 
 	interrupt = hw_block_intr(hw);