diff --git a/configs/flea3_defconfig b/configs/flea3_defconfig
index 07ae0f7..e91017d 100644
--- a/configs/flea3_defconfig
+++ b/configs/flea3_defconfig
@@ -29,6 +29,7 @@
 CONFIG_ENV_ADDR=0xA0080000
 CONFIG_ENV_ADDR_REDUND=0xA0090000
 CONFIG_MXC_GPIO=y
+CONFIG_SYS_I2C_LEGACY=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_NOR_FLASH=y