diff --git a/configs/M5373EVB_defconfig b/configs/M5373EVB_defconfig
index 922f345..181f79b 100644
--- a/configs/M5373EVB_defconfig
+++ b/configs/M5373EVB_defconfig
@@ -9,6 +9,7 @@
 CONFIG_ENV_ADDR=0x4000
 CONFIG_TARGET_M5373EVB=y
 CONFIG_MCFTMR=y
+CONFIG_SYS_MONITOR_LEN=262144
 CONFIG_SYS_MONITOR_BASE=0x00000400
 CONFIG_BOOTDELAY=1
 # CONFIG_DISPLAY_BOARDINFO is not set