diff --git a/configs/linkit-smart-7688-ram_defconfig b/configs/linkit-smart-7688-ram_defconfig
index 7d7cdf0..aa76633 100644
--- a/configs/linkit-smart-7688-ram_defconfig
+++ b/configs/linkit-smart-7688-ram_defconfig
@@ -7,7 +7,7 @@
 CONFIG_MIPS_BOOT_FDT=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
-CONFIG_IMAGE_FORMAT_LEGACY=y
+CONFIG_LEGACY_IMAGE_FORMAT=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_BOARD_EARLY_INIT_F=y