diff --git a/configs/sama5d2_xplained_emmc_defconfig b/configs/sama5d2_xplained_emmc_defconfig
index e39e283..3af5145 100644
--- a/configs/sama5d2_xplained_emmc_defconfig
+++ b/configs/sama5d2_xplained_emmc_defconfig
@@ -32,6 +32,7 @@
 CONFIG_BOOTCOMMAND="fatload mmc 0:1 0x22000000 at91-sama5d2_xplained.dtb; fatload mmc 0:1 0x23000000 zImage; bootz 0x23000000 - 0x22000000"
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
+CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=276
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_DM=y