diff --git a/configs/A20-OLinuXino_MICRO_defconfig b/configs/A20-OLinuXino_MICRO_defconfig
index 20a947c..0e0a7de 100644
--- a/configs/A20-OLinuXino_MICRO_defconfig
+++ b/configs/A20-OLinuXino_MICRO_defconfig
@@ -1,5 +1,8 @@
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="A20_OLINUXINO_M,AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8),USB_EHCI"
 CONFIG_FDTFILE="sun7i-a20-olinuxino-micro.dtb"
+CONFIG_MMC_SUNXI_SLOT_EXTRA=3
++S:CONFIG_MMC0_CD_PIN="PH1"
++S:CONFIG_MMC3_CD_PIN="PH11"
 +S:CONFIG_ARM=y
 +S:CONFIG_TARGET_SUN7I=y