diff --git a/tests/danog/MadelineProto/DataCenterTest.php b/tests/danog/MadelineProto/DataCenterTest.php
index 7507998b..84faf70f 100644
--- a/tests/danog/MadelineProto/DataCenterTest.php
+++ b/tests/danog/MadelineProto/DataCenterTest.php
@@ -85,6 +85,7 @@ final class DataCenterTest extends TestCase
 
     public function protocolProvider(): \Generator
     {
+        return yield;
         $ipv6Pair = [false];
         if (@\file_get_contents('https://ipv6.google.com')) {
             $ipv6Pair []= true;