diff --git a/src/Plugin/dgi_image_discovery/url_generator/deferred/Subrequest.php b/src/Plugin/dgi_image_discovery/url_generator/deferred/Subrequest.php
index 595b32a..96e2a4f 100644
--- a/src/Plugin/dgi_image_discovery/url_generator/deferred/Subrequest.php
+++ b/src/Plugin/dgi_image_discovery/url_generator/deferred/Subrequest.php
@@ -63,6 +63,9 @@ public function resolve(NodeInterface $node, ImageStyleInterface $style): Cachea
           ->setAutoLastModified()
           ->addCacheableDependency($generated_url);
       }
+      elseif ($response instanceof CacheableResponseInterface && ((int) ($response->getStatusCode() / 100)) === 3) {
+        return $response;
+      }
       elseif ($response->getStatusCode() === 503) {
         $after = $response->headers->get('Retry-After');
         if ($after === NULL) {
@@ -79,6 +82,7 @@ public function resolve(NodeInterface $node, ImageStyleInterface $style): Cachea
           continue;
         }
       }
+
       throw $this->getExceptionFromResponse($response, $generated_url);
     }