diff --git a/AmazonS3StreamWrapper.inc b/AmazonS3StreamWrapper.inc
old mode 100644
new mode 100755
index 62830b0..bbc8b71
--- a/AmazonS3StreamWrapper.inc
+++ b/AmazonS3StreamWrapper.inc
@@ -283,7 +283,8 @@ class AmazonS3StreamWrapper implements DrupalStreamWrapperInterface {
     $url = $this->domain . '/' . $local_path;
 
     if ($info['presigned_url'] && $this->cloudfront) {
-      $url = $this->getCF()->get_private_object_url($this->domain, $local_path, $timeout, array('Secure' => $info['https']));
+      $domain = ltrim($this->domain, '/');
+      $url = $this->getCF()->get_private_object_url($domain, $local_path, $timeout, array('Secure' => $info['https']));
     }
     elseif ($info['presigned_url'] || $info['download_type'] !== 'http' || !empty($info['response'])) {
       $url = $this->getS3()->get_object_url(