diff --git a/framework/core/js/forum/src/components/ActivityPage.js b/framework/core/js/forum/src/components/ActivityPage.js
index ce7a61833..58c8b5e61 100644
--- a/framework/core/js/forum/src/components/ActivityPage.js
+++ b/framework/core/js/forum/src/components/ActivityPage.js
@@ -50,7 +50,7 @@ export default class ActivityPage extends UserPage {
         <div className="ActivityPage-loadMore">
           {Button.component({
             children: app.trans('core.load_more'),
-            className: 'Button--default',
+            className: 'Button',
             onclick: this.loadMore.bind(this)
           })}
         </div>
diff --git a/framework/core/less/forum/ActivityPage.less b/framework/core/less/forum/ActivityPage.less
index 11979fc2a..535ba4cc2 100644
--- a/framework/core/less/forum/ActivityPage.less
+++ b/framework/core/less/forum/ActivityPage.less
@@ -1,5 +1,9 @@
-.ActivityPage-loadMore .LoadingIndicator {
-  height: 46px;
+.ActivityPage-loadMore {
+  text-align: center;
+
+  .LoadingIndicator {
+    height: 46px;
+  }
 }
 .ActivityPage-list {
   border-left: 3px solid @control-bg;