diff --git a/configs/MCR3000_defconfig b/configs/MCR3000_defconfig
index 307f2be..6c41d7c 100644
--- a/configs/MCR3000_defconfig
+++ b/configs/MCR3000_defconfig
@@ -19,6 +19,7 @@
 CONFIG_SYS_SCCR=0x00C20000
 CONFIG_SYS_SCCR_MASK=0x60000000
 CONFIG_SYS_DER=0x2002000F
+CONFIG_SYS_MONITOR_LEN=327680
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_SYS_MONITOR_BASE=0x04000000
 CONFIG_BOOTDELAY=5