diff --git a/src/Gaufrette/StreamWrapper.php b/src/Gaufrette/StreamWrapper.php
index 4497af37..1a8c4364 100644
--- a/src/Gaufrette/StreamWrapper.php
+++ b/src/Gaufrette/StreamWrapper.php
@@ -10,6 +10,9 @@
  */
 class StreamWrapper
 {
+    /** @var resource|null Stream context (this is set by PHP) */
+    public $context;
+    
     private static $filesystemMap;
 
     private $stream;