diff --git a/src/api/app/assets/javascripts/webui/request.js b/src/api/app/assets/javascripts/webui/request.js
index 06a9ad27067..f3872c7ec23 100644
--- a/src/api/app/assets/javascripts/webui/request.js
+++ b/src/api/app/assets/javascripts/webui/request.js
@@ -185,13 +185,14 @@ function loadDiffs(element){
   });
 }
 
-function loadChanges(requestNumber, requestActionId) { // jshint ignore:line
-  $('.loading-diff').removeClass('invisible');
-  var url = '/request/' + requestNumber + '/request_action/' + requestActionId + '/changes';
+function loadChanges(requestNumber, requestActionId, diffToSupersededId) { // jshint ignore:line
+  $('.tab-content.sourcediff .loading').removeClass('invisible');
+  var queryString = diffToSupersededId ? '?diff_to_superseded=' + diffToSupersededId : '';
+  var url = '/request/' + requestNumber + '/request_action/' + requestActionId + '/changes' + queryString;
   $.ajax({
     url: url,
     success: function() {
-      $('.loading-diff').addClass('invisible');
+      $('.tab-content.sourcediff .loading').addClass('invisible');
     }
   });
 }
diff --git a/src/api/app/components/sourcediff_component.html.haml b/src/api/app/components/sourcediff_component.html.haml
index 3546b6b5618..5884c1a4c7a 100644
--- a/src/api/app/components/sourcediff_component.html.haml
+++ b/src/api/app/components/sourcediff_component.html.haml
@@ -2,9 +2,12 @@
   .col
     - if @action.diff_not_cached
       .clearfix.mb-2.text-center
-        .btn.btn-outline-primary.cache-refresh{ title: 'Refresh results', onclick: "loadChanges(#{@bs_request.number}, #{@action.id});" }
+        .btn.btn-outline-primary.cache-refresh{ title: 'Refresh results', onclick: "loadChanges(#{@bs_request.number}, #{@action.id}, #{@diff_to_superseded&.number});" }
           Crunching the latest data. Refresh again in a few seconds
           %i.fas.fa-sync-alt{ id: "cache#0-reload" }
+        .text-center.p-4.loading.invisible
+          %i.fas.fa-spinner.fa-spin.me-1
+          Loading changes...
     - else
       - (@action.webui_sourcediff).each do |sourcediff|
         .clearfix.mb-2