diff --git a/menu_block.install b/menu_block.install
index 19d9748..1df81f0 100644
--- a/menu_block.install
+++ b/menu_block.install
@@ -177,8 +177,8 @@ function menu_block_update_7201() {
   // @see menu_set_active_menu_names()
   $active_menus = variable_get('menu_default_active_menus', array_keys(menu_list_system_menus()));
   $update_variable = FALSE;
-  foreach (menu_get_names() as $menu_name) {
-    if (!in_array($menu_name, $active_menus) && (strpos($menu_name, 'menu-') === 0)) {
+  foreach (menu_get_names(FALSE) as $menu_name) {
+    if (!in_array($menu_name, $active_menus)) {
       $active_menus[] = $menu_name;
       $update_variable = TRUE;
     }