diff --git a/configs/r8a77970_eagle_defconfig b/configs/r8a77970_eagle_defconfig
index 9716ebf..fac4ab6 100644
--- a/configs/r8a77970_eagle_defconfig
+++ b/configs/r8a77970_eagle_defconfig
@@ -15,6 +15,7 @@
 CONFIG_TARGET_EAGLE=y
 CONFIG_SYS_LOAD_ADDR=0x58000000
 CONFIG_REMAKE_ELF=y
+CONFIG_SYS_MONITOR_LEN=1048576
 CONFIG_FIT=y
 CONFIG_SUPPORT_RAW_INITRD=y
 CONFIG_USE_BOOTARGS=y