diff --git a/wwwroot/api/workspace_popup.dspy b/wwwroot/api/workspace_popup.dspy
index 1d85753..caeb816 100644
--- a/wwwroot/api/workspace_popup.dspy
+++ b/wwwroot/api/workspace_popup.dspy
@@ -61,7 +61,7 @@ async with DBPools().sqlorContext(dbname) as sor:
                                 "event": "selected",
                                 "actiontype": "script",
                                 "target": "self",
-                                "script": f"var nid=this.selected_node.user_data.id;var fp=bricks.getWidgetById('ws_files',bricks.app);if(fp)fetch('{files_url}?id='+encodeURIComponent(nid)).then(function(r){{return r.json()}}).then(function(d){{fp.dom_element.innerHTML='';bricks.widgetBuild(d,fp);}});"
+                                "script": f"var tree=bricks.getWidgetById('ws_tree',bricks.app);var nid=tree.selected_node.user_data.id;var fp=bricks.getWidgetById('ws_files',bricks.app);if(fp)fetch('{files_url}?id='+encodeURIComponent(nid)).then(function(r){{return r.json()}}).then(function(d){{fp.dom_element.innerHTML='';bricks.widgetBuild(d,fp);}});"
                             }]
                         }]
                     },