diff --git a/.travis.yml b/.travis.yml
index 71ae716d..04544ff4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,10 @@ php:
 - '7.0'
 - '5.6'
 
-allow_failures:
-- php: '5.6'
+
+jobs:
+  allow_failures:
+  - php: '5.6'
 
 before_install:
 - echo "phar.readonly = 0" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
diff --git a/docs b/docs
index 76640a01..757d12fb 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit 76640a01adf8bfc39e2cc4e3fd2dd586af47c359
+Subproject commit 757d12fbdda97d22a20d565be8e0aea64ed34cad
diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index 9ab7fca3..d2fa0be2 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -815,7 +815,7 @@ class TL
                     !\is_array($arguments[$current_argument['name']])
                     || !(
                         isset($arguments[$current_argument['name']]['_'])
-                        && $this->constructors->findByPredicate($arguments[$current_argument['name']]['_']) === 'InputFile'
+                        && $this->constructors->findByPredicate($arguments[$current_argument['name']]['_'])['type'] === 'InputFile'
                     )
                 )
                 && $this->API->settings['upload']['allow_automatic_upload']
diff --git a/src/polyfill.php b/src/polyfill.php
index 48207388..fe8db311 100644
--- a/src/polyfill.php
+++ b/src/polyfill.php
@@ -10,7 +10,7 @@ function returnMe($res)
 }
 function __coalesce($ifNotNull, $then)
 {
-    return $ifNotNull ? $ifNotNull : $then;
+    return $ifNotNull ?: $then;
 }
 function __destructure($list, $value)
 {