diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
index bff1f893b..e2593b52c 100644
--- a/public/css/icinga/layout-structure.less
+++ b/public/css/icinga/layout-structure.less
@@ -98,7 +98,7 @@ body {
 
 /** Fullscreen layout **/
 #layout.fullscreen-layout {
-  #header, #sidebar {
+  #sidebar {
     display: none;
   }