diff --git a/src/Http/Response.php b/src/Http/Response.php
index 5340a78..21fcf44 100644
--- a/src/Http/Response.php
+++ b/src/Http/Response.php
@@ -49,7 +49,7 @@ public function __construct(ClientResponse $response)
     protected function cleanedBody(): string
     {
         return preg_replace(
-            ['/&(?!#?[a-z0-9]+;)/', '/<(?!(\?\/)?[a-z0-9]+)/'],
+            ['/&(?!#?[a-z0-9]+;)/', '/<(?!(\?|\/)?[a-z0-9]+)/'],
             ['&amp;', '&lt;'],
             $this->response->body()
         );