diff --git a/demos/gtk-demo/tree_store.c b/demos/gtk-demo/tree_store.c
index d64eeeb..23885b2 100644
--- a/demos/gtk-demo/tree_store.c
+++ b/demos/gtk-demo/tree_store.c
@@ -209,9 +209,9 @@ do_tree_store (GtkWidget *do_widget)
       gtk_box_append (GTK_BOX (vbox), sw);
 
       /* create tree_model */
-      tree_model = create_model ();
-      // tree_store = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING);
-      // tree_model = create_node_recursive ((GtkTreeModel) tree_store, O);
+      //tree_model = create_model ();  //  GtkTreeStore *model = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING);
+      tree_store = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING);
+      tree_model = create_node_recursive (*tree_store, O);
 
       /* create tree view */
       treeview = gtk_tree_view_new_with_model (tree_model);