diff --git a/upload/system/vendor.php b/upload/system/vendor.php
index e01def161..91376c068 100644
--- a/upload/system/vendor.php
+++ b/upload/system/vendor.php
@@ -52,5 +52,11 @@
 	require_once(DIR_STORAGE . 'vendor/symfony/polyfill-mbstring/bootstrap.php');
 }
 
+// symfony/polyfill-php80
+$autoloader->register('Symfony\Polyfill\Php80', DIR_STORAGE . 'vendor/symfony/polyfill-php80//', true);
+if (is_file(DIR_STORAGE . 'vendor/symfony/polyfill-php80/bootstrap.php')) {
+	require_once(DIR_STORAGE . 'vendor/symfony/polyfill-php80/bootstrap.php');
+}
+
 // twig/twig
 $autoloader->register('Twig', DIR_STORAGE . 'vendor/twig/twig/src/', true);