diff --git a/src/Bridges/MailDI/MailExtension.php b/src/Bridges/MailDI/MailExtension.php
index c0de3b0..b62e06c 100644
--- a/src/Bridges/MailDI/MailExtension.php
+++ b/src/Bridges/MailDI/MailExtension.php
@@ -26,6 +26,7 @@ class MailExtension extends Nette\DI\CompilerExtension
 		'password' => NULL,
 		'secure' => NULL,
 		'timeout' => NULL,
+		'context'  => NULL,
 	];