diff --git a/configs/cm_fx6_defconfig b/configs/cm_fx6_defconfig
index b787b1a..ea75966 100644
--- a/configs/cm_fx6_defconfig
+++ b/configs/cm_fx6_defconfig
@@ -25,6 +25,7 @@
 # CONFIG_CMD_BMODE is not set
 CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_SYS_MONITOR_LEN=409600
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_BOOTDELAY=3
 CONFIG_BOOTCOMMAND="run findfdt; run distro_bootcmd; run legacy_bootcmd"