diff --git a/public/css/icinga/tabs.less b/public/css/icinga/tabs.less
index 94fc0556c..a6780e436 100644
--- a/public/css/icinga/tabs.less
+++ b/public/css/icinga/tabs.less
@@ -44,6 +44,8 @@ ul.tabs li a:hover {
 }
 
 ul.dropdown-menu {
+  margin: 0;
+  padding: 0;
   background-color: white;
   position: absolute;
   overflow: hidden;