diff --git a/php/define.php b/php/define.php
index 27ca1f7..589e359 100644
--- a/php/define.php
+++ b/php/define.php
@@ -13,6 +13,7 @@ define('LYCHEE', substr(__DIR__, 0, -3));
 define('LYCHEE_DATA', LYCHEE . 'data/');
 define('LYCHEE_UPLOADS', LYCHEE . 'uploads/');
 define('LYCHEE_UPLOADS_BIG', LYCHEE_UPLOADS . 'big/');
+define('LYCHEE_UPLOADS_MEDIUM', LYCHEE_UPLOADS . 'medium/');
 define('LYCHEE_UPLOADS_THUMB', LYCHEE_UPLOADS . 'thumb/');
 define('LYCHEE_UPLOADS_IMPORT', LYCHEE_UPLOADS . 'import/');
 define('LYCHEE_PLUGINS', LYCHEE . 'plugins/');
diff --git a/uploads/medium/index.html b/uploads/medium/index.html
new file mode 100755
index 0000000..e69de29