ETags must be quoted.

diff --git a/lib/response.php b/lib/response.php
index 9edae3603b279d5b25371b2f783d43de4f8bcc82..a75135c01761e5744a314292b7720e5b6446a3c2 100644 (file)
--- a/lib/response.php
+++ b/lib/response.php
@@ -116,7 +116,7 @@ class OC_Response {
                        self::setStatus(self::STATUS_NOT_MODIFIED);
                        exit;
                }
-               header('ETag: '.$etag);
+               header('ETag: "'.$etag.'"');
        }
 
        /**