diff --git a/configs/A13-OLinuXinoM_defconfig b/configs/A13-OLinuXinoM_defconfig
index 5852be6..ccf35c7 100644
--- a/configs/A13-OLinuXinoM_defconfig
+++ b/configs/A13-OLinuXinoM_defconfig
@@ -3,6 +3,7 @@
 CONFIG_MACH_SUN5I=y
 CONFIG_DRAM_CLK=408
 CONFIG_DRAM_EMR1=0
+CONFIG_MMC0_CD_PIN="PG0"
 CONFIG_USB1_VBUS_PIN="PG11"
 # CONFIG_VIDEO_HDMI is not set
 CONFIG_VIDEO_VGA_VIA_LCD=y