diff --git a/configs/orangepi_3_defconfig b/configs/orangepi_3_defconfig
index ebecf49..3debe90 100644
--- a/configs/orangepi_3_defconfig
+++ b/configs/orangepi_3_defconfig
@@ -8,6 +8,7 @@
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
 CONFIG_BLUETOOTH_DT_DEVICE_FIXUP="brcm,bcm4345c5"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SYS_MONITOR_LEN=786432
 CONFIG_PHY_SUN50I_USB3=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y