diff --git a/static/css/components/sidebar.css b/static/css/components/sidebar.css
index 67b417a8..008c16a5 100644
--- a/static/css/components/sidebar.css
+++ b/static/css/components/sidebar.css
@@ -233,7 +233,7 @@
 }
 
 .sidebar-tree-children.expanded {
-    max-height: 1000px;
+    max-height: 9999px;
 }
 
 .sidebar-tree-children .sidebar-tree-node-content {