diff --git a/static/js/utils.js b/static/js/utils.js
index 7089ed3..0ac1f51 100644
--- a/static/js/utils.js
+++ b/static/js/utils.js
@@ -1044,9 +1044,9 @@ oml.upload = function(fileslist, callback) {
         request.onreadystatechange = function() {
             if (request.readyState == 4) {
                 if (request.status == 200) {
-                    next();
                     var response = JSON.parse(request.responseText);
-                    ids.concat(response.data.ids);
+                    ids = ids.concat(response.data.ids);
+                    next();
                 } else {
                     callback(null, {
                         code: request.status,