Index: kernel/arch/sparc64/src/drivers/kbd.c
===================================================================
--- kernel/arch/sparc64/src/drivers/kbd.c	(revision a35b458e9db1ca95e679799dc7c1b12c83359ca3)
+++ kernel/arch/sparc64/src/drivers/kbd.c	(revision 6bf5b8cd8ea2cab6203e1dd42e25d90fd7628fa6)
@@ -119,5 +119,5 @@
 
 	ioport8_t *ns16550 = (ioport8_t *) (km_map(aligned_addr, offset + size,
-	    PAGE_WRITE | PAGE_NOT_CACHEABLE) + offset);
+	    KM_NATURAL_ALIGNMENT, PAGE_WRITE | PAGE_NOT_CACHEABLE) + offset);
 
 	ns16550_instance_t *ns16550_instance = ns16550_init(ns16550, 0, inr, cir,