diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 900ab5d2ba70..46119bb3770a 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -786,7 +786,8 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 	struct netdev_private *np;
 	int i, option, irq, chip_idx = ent->driver_data;
 	static int find_cnt = -1;
-	unsigned long iostart, iosize;
+	resource_size_t iostart;
+	unsigned long iosize;
 	void __iomem *ioaddr;
 	const int pcibar = 1; /* PCI base address register */
 	int prev_eedata;
@@ -946,10 +947,11 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 		goto err_create_file;
 
 	if (netif_msg_drv(np)) {
-		printk(KERN_INFO "natsemi %s: %s at %#08lx "
+		printk(KERN_INFO "natsemi %s: %s at %#08llx "
 		       "(%s), %s, IRQ %d",
-		       dev->name, natsemi_pci_info[chip_idx].name, iostart,
-		       pci_name(np->pci_dev), print_mac(mac, dev->dev_addr), irq);
+		       dev->name, natsemi_pci_info[chip_idx].name,
+		       (unsigned long long)iostart, pci_name(np->pci_dev),
+		       print_mac(mac, dev->dev_addr), irq);
 		if (dev->if_port == PORT_TP)
 			printk(", port TP.\n");
 		else if (np->ignore_phy)