diff --git a/phpBB/phpbb/avatar/driver/upload.php b/phpBB/phpbb/avatar/driver/upload.php
index 7c02f5993a..32a902604d 100644
--- a/phpBB/phpbb/avatar/driver/upload.php
+++ b/phpBB/phpbb/avatar/driver/upload.php
@@ -21,11 +21,31 @@ use \phpbb\storage\exception\exception as storage_exception;
 */
 class upload extends \phpbb\avatar\driver\driver
 {
+	/**
+	 * @var \phpbb\config\config
+	 */
+	protected $config;
+
+	/**
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * @var string
+	 */
+	protected $php_ext;
+
 	/**
 	 * @var \phpbb\storage\storage
 	 */
 	protected $storage;
 
+	/**
+	 * @var \phpbb\path_helper
+	 */
+	protected $path_helper;
+
 	/**
 	* @var \phpbb\event\dispatcher_interface
 	*/
@@ -41,6 +61,11 @@ class upload extends \phpbb\avatar\driver\driver
 	 */
 	protected $php_ini;
 
+	/**
+	 * @var \phpbb\cache\driver\driver_interface
+	 */
+	protected $cache;
+
 	/**
 	* Construct a driver object
 	*