diff --git a/S3.php b/S3.php
index c0eaffa4..70e305e4 100644
--- a/S3.php
+++ b/S3.php
@@ -1999,6 +1999,7 @@ function __construct($verb, $bucket = '', $uri = '', $endpoint = 's3.amazonaws.c
 		$this->response = new STDClass;
 		$this->response->error = false;
 		$this->response->body = null;
+		$this->response->headers = array();
 	}