diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 0a0f40d..6c5cb99 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -123,7 +123,7 @@
 }
 
 /* Vitesse VSC8601 */
-int vsc8601_config(struct phy_device *phydev)
+static int vsc8601_config(struct phy_device *phydev)
 {
 	/* Configure some basic stuff */
 #ifdef CONFIG_SYS_VSC8601_SKEWFIX