diff --git a/configs/Ampe_A76_defconfig b/configs/Ampe_A76_defconfig
index 7bf3dfc..d5cf1f4 100644
--- a/configs/Ampe_A76_defconfig
+++ b/configs/Ampe_A76_defconfig
@@ -15,6 +15,7 @@
 CONFIG_VIDEO_LCD_BL_EN="AXP0-1"
 CONFIG_VIDEO_LCD_BL_PWM="PB2"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SYS_MONITOR_LEN=786432
 CONFIG_SPL_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_SYS_I2C_SLAVE=0x7f