diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
index cc3fe019b..d6f4c1353 100644
--- a/public/css/icinga/layout-structure.less
+++ b/public/css/icinga/layout-structure.less
@@ -7,6 +7,7 @@ html {
 
 body {
   height: 100%;
+  overflow: hidden;
 }
 
 #layout {
diff --git a/public/css/icinga/responsive.less b/public/css/icinga/responsive.less
index 993fe836f..d88c3454a 100644
--- a/public/css/icinga/responsive.less
+++ b/public/css/icinga/responsive.less
@@ -104,6 +104,11 @@
     flex-direction: column;
   }
 
+  #main {
+    flex: 1 1 auto;
+    height: 0;
+  }
+
   ul > .selected > a:after,
   ul > .nav-item.active:after {
     display: none;