diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 6ece4295d78f..813d41c4a845 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1703,7 +1703,7 @@ static int sh_mdio_init(struct net_device *ndev, int id,
 	mdp->mii_bus->name = "sh_mii";
 	mdp->mii_bus->parent = &ndev->dev;
 	snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
-		mdp->pdev->name, pdid);
+		mdp->pdev->name, id);
 
 	/* PHY IRQ */
 	mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);