Index: boot/arch/sparc64/src/main.c
===================================================================
--- boot/arch/sparc64/src/main.c	(revision 63a045c41ff533abb66be65fc068415be77ad7df)
+++ boot/arch/sparc64/src/main.c	(revision dcc2c5d1ea2cf6e1487e83ae2b5362fe7b527161)
@@ -225,5 +225,5 @@
 	 */
 
-	size_t sz = ALIGN_UP(payload_uncompressed_size(), PAGE_SIZE);
+	size_t sz = ALIGN_UP(payload_unpacked_size(), PAGE_SIZE);
 	ofw_claim_phys((void *) (bootinfo.physmem_start + KERNEL_ADDRESS), sz);
 	ofw_map((void *) (bootinfo.physmem_start + KERNEL_ADDRESS),