diff --git a/services/images/view.php b/services/images/view.php
index bc7da5343..f5b0cb252 100644
--- a/services/images/view.php
+++ b/services/images/view.php
@@ -84,6 +84,7 @@
 
 /* Check if no editing action required and send the image to browser. */
 if (empty($action)) {
+    header('Content-Disposition: attachment');
     $image->display();
     exit;
 }
@@ -132,4 +133,5 @@
 /* Write out any changes to the temporary file. */
 file_put_contents($file_name, $image->raw());
 
+header('Content-Disposition: attachment');
 $image->display();