diff --git a/configs/pine64-lts_defconfig b/configs/pine64-lts_defconfig
index c6b4f7b..3f9ea1e 100644
--- a/configs/pine64-lts_defconfig
+++ b/configs/pine64-lts_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_STACK=0x54000
 CONFIG_SYS_PBSIZE=1024
+CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SUN8I_EMAC=y