diff --git a/configs/qemu-riscv64_spl_defconfig b/configs/qemu-riscv64_spl_defconfig
index e39accf..1ecfa27 100644
--- a/configs/qemu-riscv64_spl_defconfig
+++ b/configs/qemu-riscv64_spl_defconfig
@@ -20,6 +20,7 @@
 CONFIG_SYS_SPL_MALLOC=y
 CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=276
+CONFIG_SYS_BOOTM_LEN=0x4000000
 # CONFIG_CMD_MII is not set
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM_MTD=y