diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 49a937a8b61acbb298ffb0b978b7f2a4bd4e6f75..a24d5c238da91f09b36b5d327be4cccaeff011f4 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -260,6 +260,7 @@ config MMC
 
 config MMC0_CD_PIN
 	string "Card detect pin for mmc0"
+	default "PF6" if MACH_SUN8I_A83T || MACH_SUN8I_H3 || MACH_SUN50I
 	default ""
 	---help---
 	Set the card detect pin for mmc0, leave empty to not use cd. This