diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 535c234..8c69421 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -1475,6 +1475,7 @@
 	spin_lock_irqsave(&lp->lock, flags);
 
 	outw(PowerUp, ioaddr + EL3_CMD);
+	EL3WINDOW(0);
 	el3_up(dev);
 
 	if (netif_running(dev))