diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 4259f3fb899d..9aa20f961618 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1417,7 +1417,8 @@ static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter,
 		(netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
 		write_unlock_irqrestore(&adapter->adapter_lock, flags);
 		printk(KERN_ERR "%s out of bound pci memory access. "
-			"offset is 0x%llx\n", netxen_nic_driver_name, off);
+			"offset is 0x%llx\n", netxen_nic_driver_name,
+			(unsigned long long)off);
 		return -1;
 	}
 
@@ -1490,7 +1491,8 @@ netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off,
 		(netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
 		write_unlock_irqrestore(&adapter->adapter_lock, flags);
 		printk(KERN_ERR "%s out of bound pci memory access. "
-			"offset is 0x%llx\n", netxen_nic_driver_name, off);
+			"offset is 0x%llx\n", netxen_nic_driver_name,
+			(unsigned long long)off);
 		return -1;
 	}