diff --git a/configs/Cubietruck_plus_defconfig b/configs/Cubietruck_plus_defconfig
index f2c6fe7..725652d 100644
--- a/configs/Cubietruck_plus_defconfig
+++ b/configs/Cubietruck_plus_defconfig
@@ -4,6 +4,7 @@
 CONFIG_DRAM_CLK=672
 CONFIG_DRAM_ZQ=15355
 CONFIG_DRAM_ODT_EN=y
+CONFIG_MMC0_CD_PIN="PF6"
 CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
 CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
 CONFIG_USB0_ID_DET="PH11"