diff --git a/configs/icnova-a20-swac_defconfig b/configs/icnova-a20-swac_defconfig
index c759d7e..80441b3 100644
--- a/configs/icnova-a20-swac_defconfig
+++ b/configs/icnova-a20-swac_defconfig
@@ -17,6 +17,7 @@
 CONFIG_VIDEO_LCD_POWER="PH22"
 CONFIG_VIDEO_LCD_PANEL_LVDS=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SYS_MONITOR_LEN=786432
 CONFIG_SPL_I2C=y
 CONFIG_CMD_UNZIP=y
 CONFIG_SYS_I2C_MVTWSI=y