diff --git a/configs/sipeed_maix_bitm_defconfig b/configs/sipeed_maix_bitm_defconfig
index 4bfb6ee..8e12dc1 100644
--- a/configs/sipeed_maix_bitm_defconfig
+++ b/configs/sipeed_maix_bitm_defconfig
@@ -1,8 +1,8 @@
 CONFIG_RISCV=y
+CONFIG_SYS_MALLOC_LEN=0x20000
 CONFIG_ENV_SIZE=0x1000
 CONFIG_ENV_OFFSET=0xfff000
 CONFIG_ENV_SECT_SIZE=0x1000
-CONFIG_SYS_MALLOC_LEN=0x20000
 CONFIG_TARGET_SIPEED_MAIX=y
 CONFIG_ARCH_RV64I=y
 CONFIG_SYS_LOAD_ADDR=0x80000000