diff --git a/phpBB/phpbb/storage/controller/controller.php b/phpBB/phpbb/storage/controller/controller.php
index 63080645d3..d36cd6e207 100644
--- a/phpBB/phpbb/storage/controller/controller.php
+++ b/phpBB/phpbb/storage/controller/controller.php
@@ -17,8 +17,8 @@ use phpbb\cache\service;
 use phpbb\db\driver\driver_interface;
 use phpbb\exception\http_exception;
 use phpbb\storage\storage;
+use phpbb\storage\streamed_response;
 use Symfony\Component\HttpFoundation\Request as symfony_request;
-use Symfony\Component\HttpFoundation\StreamedResponse;
 
 class controller
 {
@@ -31,7 +31,7 @@ class controller
 	/** @var storage */
 	protected $storage;
 
-	/** @var StreamedResponse */
+	/** @var streamed_response */
 	protected $response;
 
 	/** @var symfony_request */
@@ -43,7 +43,7 @@ class controller
 		$this->db = $db;
 		$this->storage = $storage;
 		$this->symfony_request = $symfony_request;
-		$this->response = new StreamedResponse();
+		$this->response = new streamed_response();
 	}
 
 	public function handle($file)
diff --git a/phpBB/phpbb/storage/streamed_response.php b/phpBB/phpbb/storage/streamed_response.php
new file mode 100644
index 0000000000..426d86e34d
--- /dev/null
+++ b/phpBB/phpbb/storage/streamed_response.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\storage;
+
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+// Temporal fix for: https://github.com/symfony/symfony/issues/27924
+class streamed_response extends StreamedResponse
+{
+	/**
+	 * {@inheritdoc}
+	 */
+	public function setNotModified()
+	{
+		$this->setCallback(function () {});
+
+		return parent::setNotModified();
+	}
+}