diff -u b/js/media.js b/js/media.js
--- b/js/media.js
+++ b/js/media.js
@@ -74,6 +74,8 @@
     var mediaFileValue;
     // Process the value based on multiselect.
     if (mediaFiles.length > 1) {
+      // Reverse array to have files in correct order
+      mediaFiles.reverse();
       // Concatenate the array into a comma separated string.
       mediaFileValue = mediaFiles.map(function(file) {
         return file.fid;