diff --git a/meta-nuvoton/conf/machine/include/npcm8xx.inc b/meta-nuvoton/conf/machine/include/npcm8xx.inc
index e3f3276..349d53b 100644
--- a/meta-nuvoton/conf/machine/include/npcm8xx.inc
+++ b/meta-nuvoton/conf/machine/include/npcm8xx.inc
@@ -24,7 +24,7 @@
 
 SERIAL_CONSOLES ?= "115200;ttyS0"
 
-BB_ALIGN ?= "4096"
+BB_ALIGN ?= "524288"
 ATF_ALIGN ?= "4096"
 OPTEE_ALIGN ?= "4096"
 UBOOT_ALIGN ?= "4096"