diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 6cbefcae9ac2c844e6334390cb33a7ef8ddb3006..be4465bc0a693d642c23ec465e3ce0ad035ad625 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -509,10 +509,10 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev,
 	else
 		ret = sis900_get_mac_addr(pci_dev, net_dev);
 
-	if (ret == 0) {
-		printk(KERN_WARNING "%s: Cannot read MAC address.\n", dev_name);
-		ret = -ENODEV;
-		goto err_unmap_rx;
+	if (!ret || !is_valid_ether_addr(net_dev->dev_addr)) {
+		random_ether_addr(net_dev->dev_addr);
+		printk(KERN_WARNING "%s: Unreadable or invalid MAC address,"
+				"using random generated one\n", dev_name);
 	}
 
 	/* 630ET : set the mii access mode as software-mode */