gtk_tree_view_set_model(view, model1);
        gtk_tree_view_set_headers_visible(view, TRUE);
-       gtk_tree_view_set_rules_hint(view, FALSE);
+       gtk_tree_view_set_rules_hint(view, TRUE);
 
        column = gtk_tree_view_column_new();
        gtk_tree_view_append_column(view, column);
 
        gtk_tree_view_set_model(view, model2);
        gtk_tree_view_set_headers_visible(view, TRUE);
-       gtk_tree_view_set_rules_hint(view, FALSE);
+       gtk_tree_view_set_rules_hint(view, TRUE);
 
        column = gtk_tree_view_column_new();
        gtk_tree_view_append_column(view, column);