diff --git a/configs/mt7620_mt7530_rfb_defconfig b/configs/mt7620_mt7530_rfb_defconfig
index d6095fa..2a21384 100644
--- a/configs/mt7620_mt7530_rfb_defconfig
+++ b/configs/mt7620_mt7530_rfb_defconfig
@@ -1,12 +1,12 @@
 CONFIG_MIPS=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_SYS_MALLOC_LEN=0x100000
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x1000
 CONFIG_ENV_OFFSET=0x30000
 CONFIG_ENV_SECT_SIZE=0x10000
-CONFIG_SYS_MALLOC_LEN=0x100000
 CONFIG_DEFAULT_DEVICE_TREE="mediatek,mt7620-mt7530-rfb"
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_SYS_MALLOC_F_LEN=0x40000