diff --git a/configs/M5272C3_defconfig b/configs/M5272C3_defconfig
index fda10e7..5e7d401 100644
--- a/configs/M5272C3_defconfig
+++ b/configs/M5272C3_defconfig
@@ -9,6 +9,7 @@
 CONFIG_ENV_ADDR=0xFFE04000
 CONFIG_TARGET_M5272C3=y
 CONFIG_MCFTMR=y
+CONFIG_SYS_MONITOR_LEN=131072
 CONFIG_SYS_MONITOR_BASE=0xFFE00400
 CONFIG_BOOTDELAY=5
 # CONFIG_DISPLAY_BOARDINFO is not set