diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
index 314c1b4f8..323963e91 100644
--- a/public/css/icinga/layout-structure.less
+++ b/public/css/icinga/layout-structure.less
@@ -30,7 +30,7 @@ body {
   display: flex;
   flex-direction: column;
   position: relative;
-  z-index: 2;
+  z-index: 1000;
 }
 
 #main {