diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
index 7b43482f8..e9b420dfc 100644
--- a/public/css/icinga/layout-structure.less
+++ b/public/css/icinga/layout-structure.less
@@ -19,8 +19,9 @@ body {
 }
 
 #content-wrapper {
-  flex: 1;
+  flex: 1 1 auto;
   display: flex;
+  height: 0;
 
 }