1 files changed, 1 insertions, 1 deletions
diff --git a/net/eth.c b/net/eth.c
index 2b492ad904..30d347a083 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -169,7 +169,7 @@ int eth_rx(void)
 static int eth_set_ethaddr(struct device_d *dev, struct param_d *param, const char *val)
 {
 	struct eth_device *edev = dev_to_edev(dev);
-	char ethaddr[sizeof("xx:xx:xx:xx:xx:xx")];
+	u8 ethaddr[6];
 
 	if (!val)
 		return dev_param_set_generic(dev, param, NULL);