diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 32a8503a7acdc3ade6fcb1fd656a2009ec9eda09..737512c00971dbe722252405c95a9eec51d2576b 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -162,7 +162,7 @@ static int m88e1111_config_init(struct phy_device *phydev)
 
 	/* Enable Fiber/Copper auto selection */
 	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
-	temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+	temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 	phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 
 	temp = phy_read(phydev, MII_BMCR);