diff --git a/web/base_tree_viewer.js b/web/base_tree_viewer.js
index 882d386a2..5aec97f19 100644
--- a/web/base_tree_viewer.js
+++ b/web/base_tree_viewer.js
@@ -131,7 +131,7 @@ class BaseTreeViewer {
         target.classList.toggle("treeItemsHidden");
         if (e.shiftKey) {
           const shouldShowAll = !target.classList.contains("treeItemsHidden");
-          this._toggleTreeItem(this.container, shouldShowAll);
+          this._toggleTreeItem(target.parentNode, shouldShowAll);
         }
       });
     }