diff --git a/editor/plugins/theme_editor_plugin.cpp b/editor/plugins/theme_editor_plugin.cpp
index 111154cf328..2427cd966b1 100644
--- a/editor/plugins/theme_editor_plugin.cpp
+++ b/editor/plugins/theme_editor_plugin.cpp
@@ -691,11 +691,11 @@ ThemeEditor::ThemeEditor() {
 	test_menu_button->get_popup()->add_separator();
 	test_menu_button->get_popup()->add_check_item(TTR("Check Item"));
 	test_menu_button->get_popup()->add_check_item(TTR("Checked Item"));
-	test_menu_button->get_popup()->set_item_checked(2, true);
+	test_menu_button->get_popup()->set_item_checked(3, true);
 	test_menu_button->get_popup()->add_separator();
-	test_menu_button->get_popup()->add_check_item(TTR("Radio Item"));
+	test_menu_button->get_popup()->add_radio_check_item(TTR("Radio Item"));
 	test_menu_button->get_popup()->add_radio_check_item(TTR("Checked Radio Item"));
-	test_menu_button->get_popup()->set_item_checked(5, true);
+	test_menu_button->get_popup()->set_item_checked(6, true);
 	first_vb->add_child(test_menu_button);
 
 	OptionButton *test_option_button = memnew(OptionButton);