diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 9927106b76c7..9c6c1fbbc412 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -372,6 +372,7 @@ e1000_down(struct e1000_adapter *adapter)
 		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
 		mii_reg |= MII_CR_POWER_DOWN;
 		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
+		mdelay(1);
 	}
 }