diff --git a/libctru/include/3ds/types.h b/libctru/include/3ds/types.h
index 8ea8125..b844bcb 100644
--- a/libctru/include/3ds/types.h
+++ b/libctru/include/3ds/types.h
@@ -11,6 +11,13 @@
 
 #define U64_MAX	UINT64_MAX
 
+typedef enum
+{
+	mediatype_NAND,
+	mediatype_SDMC,
+	mediatype_GAMECARD,
+} mediatypes_enum;
+
 typedef uint8_t u8;
 typedef uint16_t u16;
 typedef uint32_t u32;