diff --git a/configs/A20-OLinuXino_MICRO_defconfig b/configs/A20-OLinuXino_MICRO_defconfig
index 0e0a7de..07edef5 100644
--- a/configs/A20-OLinuXino_MICRO_defconfig
+++ b/configs/A20-OLinuXino_MICRO_defconfig
@@ -5,4 +5,5 @@
 +S:CONFIG_MMC0_CD_PIN="PH1"
 +S:CONFIG_MMC3_CD_PIN="PH11"
 +S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
 +S:CONFIG_TARGET_SUN7I=y