diff --git a/src/mainboard/google/oak/mainboard.c b/src/mainboard/google/oak/mainboard.c
index fbdddb6930..52d6bd41d7 100644
--- a/src/mainboard/google/oak/mainboard.c
+++ b/src/mainboard/google/oak/mainboard.c
@@ -110,6 +110,9 @@ static void mainboard_init(device_t dev)
 	 */
 	mt6391_gpio_output(MT6391_KP_ROW2, 1);
 
+	/* Config SD card detection pin */
+	gpio_input(PAD_EINT1); /* SD_DET */
+
 	configure_audio();
 	configure_backlight();
 	configure_usb();