diff --git a/configs/P2020RDB-PC_NAND_defconfig b/configs/P2020RDB-PC_NAND_defconfig
index d3c01ac..1269d22 100644
--- a/configs/P2020RDB-PC_NAND_defconfig
+++ b/configs/P2020RDB-PC_NAND_defconfig
@@ -21,6 +21,7 @@
 CONFIG_TPL_SYS_MPC85XX_NO_RESETVEC=y
 CONFIG_PCIE1=y
 CONFIG_PCIE2=y
+CONFIG_SYS_MONITOR_LEN=786432
 CONFIG_MP=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y