diff --git a/phpBB/phpbb/avatar/driver/driver.php b/phpBB/phpbb/avatar/driver/driver.php
index b3ced7edf7..a23b626e50 100644
--- a/phpBB/phpbb/avatar/driver/driver.php
+++ b/phpBB/phpbb/avatar/driver/driver.php
@@ -119,6 +119,14 @@ abstract class driver implements \phpbb\avatar\driver\driver_interface
 		return $this->name;
 	}
 
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_config_name()
+	{
+		return preg_replace('#^phpbb\\\\avatar\\\\driver\\\\#', '', get_class($this));
+	}
+
 	/**
 	* Sets the name of the driver.
 	*
diff --git a/phpBB/phpbb/avatar/driver/driver_interface.php b/phpBB/phpbb/avatar/driver/driver_interface.php
index 835609745a..d984717d74 100644
--- a/phpBB/phpbb/avatar/driver/driver_interface.php
+++ b/phpBB/phpbb/avatar/driver/driver_interface.php
@@ -25,6 +25,13 @@ interface driver_interface
 	*/
 	public function get_name();
 
+	/**
+	* Returns the config name of the driver. To be used in accessing the CONFIG variables.
+	*
+	* @return string	Config name of driver.
+	*/
+	public function get_config_name();
+
 	/**
 	* Get the avatar url and dimensions
 	*
diff --git a/phpBB/phpbb/avatar/manager.php b/phpBB/phpbb/avatar/manager.php
index 8d83152ed6..5274ac6a26 100644
--- a/phpBB/phpbb/avatar/manager.php
+++ b/phpBB/phpbb/avatar/manager.php
@@ -276,7 +276,7 @@ class manager
 	*/
 	public function get_driver_config_name($driver)
 	{
-		return preg_replace('#^phpbb\\\\avatar\\\\driver\\\\#', '', get_class($driver));
+		return $driver->get_config_name();
 	}
 
 	/**