diff --git a/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionHtmlSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionHtmlSubscriber.php
index 6d2f48f..cb5cd28 100644
--- a/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionHtmlSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionHtmlSubscriber.php
@@ -146,6 +146,10 @@ protected function makeSubrequest(GetResponseForExceptionEvent $event, $url, $st
 
         $response = $this->httpKernel->handle($sub_request, HttpKernelInterface::SUB_REQUEST);
         $response->setStatusCode($status_code);
+
+        // Persist any special HTTP headers that were set on the exception.
+        $response->headers->add($event->getException()->getHeaders());
+
         $event->setResponse($response);
       }
       catch (\Exception $e) {