diff --git a/configs/mt7628_rfb_defconfig b/configs/mt7628_rfb_defconfig
index 7e5b76c..85b32a7 100644
--- a/configs/mt7628_rfb_defconfig
+++ b/configs/mt7628_rfb_defconfig
@@ -21,6 +21,7 @@
 CONFIG_RESTORE_EXCEPTION_VECTOR_BASE=y
 CONFIG_MIPS_BOOT_FDT=y
 CONFIG_FIT=y
+CONFIG_SYS_BOOTM_LEN=0x1000000
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_SYS_MALLOC_BOOTPARAMS=y
@@ -29,7 +30,6 @@
 CONFIG_SPL_BSS_MAX_SIZE=0x10000
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_SPL_NOR_SUPPORT=y
-CONFIG_SYS_BOOTM_LEN=0x1000000
 # CONFIG_CMD_ELF is not set
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_CRC32 is not set