diff --git a/src/Symfony/Component/HttpClient/Response/AmpResponse.php b/src/Symfony/Component/HttpClient/Response/AmpResponse.php
index c553dad6dec6..3b5d2ecba44f 100644
--- a/src/Symfony/Component/HttpClient/Response/AmpResponse.php
+++ b/src/Symfony/Component/HttpClient/Response/AmpResponse.php
@@ -25,6 +25,7 @@
 use Symfony\Component\HttpClient\HttpClientTrait;
 use Symfony\Component\HttpClient\Internal\AmpBody;
 use Symfony\Component\HttpClient\Internal\AmpClientState;
+use Symfony\Component\HttpClient\Internal\ClientState;
 use Symfony\Contracts\HttpClient\ResponseInterface;
 
 /**
@@ -143,8 +144,10 @@ private static function schedule(self $response, array &$runningResponses): void
 
     /**
      * {@inheritdoc}
+     *
+     * @param AmpClientState $multi
      */
-    private static function perform(AmpClientState $multi, array &$responses = null): void
+    private static function perform(ClientState $multi, array &$responses = null): void
     {
         if ($responses) {
             foreach ($responses as $response) {
@@ -163,8 +166,10 @@ private static function perform(AmpClientState $multi, array &$responses = null)
 
     /**
      * {@inheritdoc}
+     *
+     * @param AmpClientState $multi
      */
-    private static function select(AmpClientState $multi, float $timeout): int
+    private static function select(ClientState $multi, float $timeout): int
     {
         $selected = 1;
         $delay = Loop::delay(1000 * $timeout, static function () use (&$selected) {