diff --git a/public/css/icinga/responsive.less b/public/css/icinga/responsive.less
index 0cb0f1a01..bf482ef03 100644
--- a/public/css/icinga/responsive.less
+++ b/public/css/icinga/responsive.less
@@ -73,6 +73,7 @@
 
     &.expanded {
       overflow: auto;
+      height: 100%;
     }
   }