diff --git a/services/web/frontend/stylesheets/app/editor/file-tree.less b/services/web/frontend/stylesheets/app/editor/file-tree.less
index b4e893ab3c..71c56124c9 100644
--- a/services/web/frontend/stylesheets/app/editor/file-tree.less
+++ b/services/web/frontend/stylesheets/app/editor/file-tree.less
@@ -27,6 +27,8 @@
   }
 
   .file-tree-inner {
+    display: flex;
+    flex-direction: column;
     flex-grow: 1;
     overflow-y: auto;
     background-color: @file-tree-bg;
@@ -80,6 +82,7 @@
     margin: 0;
     overflow-x: hidden;
     height: 100%;
+    flex-grow: 1;
     position: relative;
     overflow-y: auto;