diff --git a/configs/mt7628_rfb_defconfig b/configs/mt7628_rfb_defconfig
index 4abd27a..6902572 100644
--- a/configs/mt7628_rfb_defconfig
+++ b/configs/mt7628_rfb_defconfig
@@ -1,12 +1,12 @@
 CONFIG_MIPS=y
 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_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SYS_MALLOC_F_LEN=0x40000
-CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL=y
 CONFIG_ARCH_MTMIPS=y
 CONFIG_BOARD_MT7628_RFB=y