diff --git a/data/plugins/treeview.lua b/data/plugins/treeview.lua
index 444353f8..ef38105c 100644
--- a/data/plugins/treeview.lua
+++ b/data/plugins/treeview.lua
@@ -454,7 +454,7 @@ function TreeView:toggle_expand(toggle)
     end
     local hovered_dir = core.project_dir_by_name(item.dir_name)
     if hovered_dir and hovered_dir.files_limit then
-      core.update_project_subdir(hovered_dir, item.filename, item.expanded)
+      core.update_project_subdir(hovered_dir, item.depth == 0 and "" or item.filename, item.expanded)
     end
   end
 end