1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index f977c98cfa95..308588e2072b 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2154,12 +2154,11 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
 
         switch (port->iotype) {
         case UPIO_PORT:
-                snprintf(address, sizeof(address),
-                         "I/O 0x%x", port->iobase);
+                snprintf(address, sizeof(address), "I/O 0x%lx", port->iobase);
                 break;
         case UPIO_HUB6:
                 snprintf(address, sizeof(address),
-                         "I/O 0x%x offset 0x%x", port->iobase, port->hub6);
+                         "I/O 0x%lx offset 0x%x", port->iobase, port->hub6);
                 break;
         case UPIO_MEM:
         case UPIO_MEM32: