diff --git a/public/css/icinga/base.less b/public/css/icinga/base.less
index 4cd7bdeee..262779a59 100644
--- a/public/css/icinga/base.less
+++ b/public/css/icinga/base.less
@@ -24,6 +24,10 @@ a {
   font-weight: @font-weight-bold;
   text-decoration: none;
 
+  &:focus {
+    outline: none;
+  }
+
   &:hover {
     text-decoration: underline;
   }