diff --git a/configs/sama5d4_xplained_spiflash_defconfig b/configs/sama5d4_xplained_spiflash_defconfig
index 3a7da73..21e9fc3 100644
--- a/configs/sama5d4_xplained_spiflash_defconfig
+++ b/configs/sama5d4_xplained_spiflash_defconfig
@@ -47,6 +47,7 @@
 CONFIG_CMD_NAND=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
+CONFIG_BOOTP_BOOTFILESIZE=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_HASH=y
 CONFIG_HASH_VERIFY=y