diff --git a/configs/r2dplus_defconfig b/configs/r2dplus_defconfig
index 6045e06..cee9a1f 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -9,6 +9,7 @@
 CONFIG_SYS_LOAD_ADDR=0x8e000000
 CONFIG_ENV_ADDR=0xA0040000
 CONFIG_TARGET_R2DPLUS=y
+CONFIG_SYS_MONITOR_LEN=262144
 CONFIG_SYS_MONITOR_BASE=0xA0000000
 CONFIG_BOOTDELAY=-1
 CONFIG_USE_BOOTARGS=y