diff --git a/src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/RequestPayloadValueResolver.php b/src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/RequestPayloadValueResolver.php
index c35d5e7e29381..641453149c92d 100644
--- a/src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/RequestPayloadValueResolver.php
+++ b/src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/RequestPayloadValueResolver.php
@@ -170,7 +170,11 @@ public function onKernelControllerArguments(ControllerArgumentsEvent $event): vo
                 };
             }
 
-            $arguments[$i] = $payload;
+            if ($argument->metadata->isVariadic() && \is_array($payload)) {
+                array_splice($arguments, $i, 1, $payload);
+            } else {
+                $arguments[$i] = $payload;
+            }
         }
 
         $event->setArguments($arguments);
diff --git a/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolver/UploadedFileValueResolverTest.php b/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolver/UploadedFileValueResolverTest.php
index 5eb0d32483ed5..0340cb6c6b970 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolver/UploadedFileValueResolverTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolver/UploadedFileValueResolverTest.php
@@ -269,7 +269,7 @@ static function () {},
         $resolver->onKernelControllerArguments($event);
 
         /** @var UploadedFile[] $data */
-        $data = $event->getArguments()[0];
+        $data = $event->getArguments();
 
         $this->assertCount(2, $data);
         $this->assertSame('file-small.txt', $data[0]->getFilename());