diff --git a/src/mainboard/emulation/qemu-q35/mainboard.c b/src/mainboard/emulation/qemu-q35/mainboard.c
index 534f606..594b256 100644
--- a/src/mainboard/emulation/qemu-q35/mainboard.c
+++ b/src/mainboard/emulation/qemu-q35/mainboard.c
@@ -55,12 +55,12 @@
 
 	if (CONFIG(ARCH_RAMSTAGE_X86_64)) {
 		/* Reserve page tables in DRAM. FIXME: Remove once x86_64 page tables reside in CBMEM */
-		reserved_ram_resource(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
+		reserved_ram_resource_kb(dev, 0, CONFIG_ARCH_X86_64_PGTBL_LOC / KiB,
 			(6 * 0x1000) / KiB);
 	}
 
 	smm_region(&tseg_base, &tseg_size);
-	reserved_ram_resource(dev, ESMRAMC, tseg_base / 1024, tseg_size / 1024);
+	reserved_ram_resource_kb(dev, ESMRAMC, tseg_base / 1024, tseg_size / 1024);
 }