diff --git a/src/Rxnet/Httpd/RequestParser.php b/src/Rxnet/Httpd/RequestParser.php
index 511c125..e63e604 100644
--- a/src/Rxnet/Httpd/RequestParser.php
+++ b/src/Rxnet/Httpd/RequestParser.php
@@ -93,7 +93,7 @@ public function parseContentLength($data)
     }
   public function parseChunkedBuffer($data)
     {
-        preg_match_all('/^([ABCDEF0123456789]{2,4})\r\n|\r\n([ABCDEF0123456789]{2,4})\r\n/i', $data, $matches);
+        preg_match_all('/^([ABCDEF0123456789]{1,8})\r\n|\r\n([ABCDEF0123456789]{1,8})\r\n/i', $data, $matches);
         if (!$matches[0]) {
             // No chunk limiter, add
             return $data;