diff --git a/ext/ext_manager/main.php b/ext/ext_manager/main.php
index dddefc70..4739fb9d 100644
--- a/ext/ext_manager/main.php
+++ b/ext/ext_manager/main.php
@@ -107,7 +107,7 @@ class ExtensionAuthor
     public $name;
     public $email;
 
-    public function __construct(string $name, string $email)
+    public function __construct(string $name, ?string $email)
     {
         $this->name = $name;
         $this->email = $email;