From c8635c12d6ad8fc20a6bc36786734b4933a44975 Mon Sep 17 00:00:00 2001
From: Daniil Gentili <daniil@daniil.it>
Date: Wed, 12 Feb 2020 21:15:22 +0100
Subject: [PATCH] Bugfix

---
 src/danog/MadelineProto/AbstractAPIFactory.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/danog/MadelineProto/AbstractAPIFactory.php b/src/danog/MadelineProto/AbstractAPIFactory.php
index 2075c156..a5405dd0 100644
--- a/src/danog/MadelineProto/AbstractAPIFactory.php
+++ b/src/danog/MadelineProto/AbstractAPIFactory.php
@@ -97,7 +97,7 @@ abstract class AbstractAPIFactory extends AsyncConstruct
     public function __call(string $name, array $arguments)
     {
         $yielded = Tools::call($this->__call_async($name, $arguments));
-        $async = !$this->lua && (\end($arguments)['async'] ?? ($this->async && $name !== 'loop'));
+        $async = !$this->lua && ((is_array(\end($arguments)) ? \end($arguments) : [])['async'] ?? ($this->async && $name !== 'loop'));
         if ($async) {
             return $yielded;
         }