diff --git a/configs/orangepi_plus_defconfig b/configs/orangepi_plus_defconfig
index 76de72a..5c7f073 100644
--- a/configs/orangepi_plus_defconfig
+++ b/configs/orangepi_plus_defconfig
@@ -9,6 +9,7 @@
 CONFIG_USB1_VBUS_PIN="PG13"
 CONFIG_SATAPWR="PG11"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SYS_MONITOR_LEN=786432
 CONFIG_SPL_I2C=y
 CONFIG_SPL_SYS_I2C_LEGACY=y
 CONFIG_SYS_I2C_MVTWSI=y