diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index b683cc2ff9d3..eeb59ce6745e 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -251,7 +251,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 		switch (type) {
 		case ACPI_TYPE_PROCESSOR:
 
-			acpi_os_printf("ID %X Len %.4X Addr %p\n",
+			acpi_os_printf("ID %02X Len %02X Addr %p\n",
 				       obj_desc->processor.proc_id,
 				       obj_desc->processor.length,
 				       ACPI_CAST_PTR(void,