diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
index 2013d7477eb7..6938dd2a79b7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
@@ -38,7 +38,7 @@ static int starfive_dwmac_set_mode(struct plat_stmmacenet_data *plat_dat)
 	unsigned int mode;
 	int err;
 
-	switch (plat_dat->mac_interface) {
+	switch (plat_dat->phy_interface) {
 	case PHY_INTERFACE_MODE_RMII:
 		mode = STARFIVE_DWMAC_PHY_INFT_RMII;
 		break;
@@ -51,8 +51,8 @@ static int starfive_dwmac_set_mode(struct plat_stmmacenet_data *plat_dat)
 		break;
 
 	default:
-		dev_err(dwmac->dev, "unsupported interface %d\n",
-			plat_dat->mac_interface);
+		dev_err(dwmac->dev, "unsupported interface %s\n",
+			phy_modes(plat_dat->phy_interface));
 		return -EINVAL;
 	}