diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index 1deaca4..14c54e0 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -1096,7 +1096,7 @@
 				continue;
 			}
 
-			printk(KERN_INFO "MOXA isa board found at 0x%.8lu and "
+			printk(KERN_INFO "MOXA isa board found at 0x%.8lx and "
 					"ready (%u ports, firmware loaded)\n",
 					baseaddr[i], brd->numPorts);