diff --git a/public/css/icinga/tabs.less b/public/css/icinga/tabs.less
index e776469e0..86191860d 100644
--- a/public/css/icinga/tabs.less
+++ b/public/css/icinga/tabs.less
@@ -136,3 +136,14 @@ ul.tabs img.icon {
 a.close-tab {
   display: none;
 }
+
+.spinner > i {
+  line-height: 1;
+}
+
+.spinner.active > i  {
+  .animate-spin();
+  &:before {
+    content: '\e874';
+  }
+}