diff --git a/configs/vyasa-rk3288_defconfig b/configs/vyasa-rk3288_defconfig
index cbaf970..516e2cc 100644
--- a/configs/vyasa-rk3288_defconfig
+++ b/configs/vyasa-rk3288_defconfig
@@ -34,6 +34,7 @@
 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR=0x8800
 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR=0x8000
 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS=0x10
+CONFIG_SYS_BOOTM_LEN=0x4000000
 CONFIG_CMD_SPL=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y