diff --git a/configs/axs101_defconfig b/configs/axs101_defconfig
index c23071e..581f4e6 100644
--- a/configs/axs101_defconfig
+++ b/configs/axs101_defconfig
@@ -17,6 +17,7 @@
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="AXS# "
+CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=278
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y