diff --git a/configs/linkit-smart-7688_defconfig b/configs/linkit-smart-7688_defconfig
index 5660f41..fba1bfd 100644
--- a/configs/linkit-smart-7688_defconfig
+++ b/configs/linkit-smart-7688_defconfig
@@ -1,7 +1,7 @@
 CONFIG_MIPS=y
 CONFIG_SYS_TEXT_BASE=0x9c000000
 CONFIG_NR_DRAM_BANKS=1
-CONFIG_ARCH_MT7620=y
+CONFIG_ARCH_MTMIPS=y
 CONFIG_BOARD_LINKIT_SMART_7688=y
 CONFIG_BOOT_ROM=y
 CONFIG_ONBOARD_DDR2_SIZE_1024MBIT=y