diff --git a/src/FlysystemStreamWrapper.php b/src/FlysystemStreamWrapper.php
index 93a79b6..5c5a200 100644
--- a/src/FlysystemStreamWrapper.php
+++ b/src/FlysystemStreamWrapper.php
@@ -25,6 +25,13 @@ class FlysystemStreamWrapper
      */
     const STREAM_URL_IGNORE_SIZE = 8;
 
+    /**
+     * PHP-passed stream context.
+     *
+     * @var resource|null
+     */
+    public $context;
+
     /**
      * The registered filesystems.
      *