--- nice_menus.module.old	2011-11-21 16:35:34.051728000 -0700
+++ nice_menus.module	2011-11-21 16:36:43.723728762 -0700
@@ -309,7 +309,7 @@ function theme_nice_menu_build($menu) {
       // Build class name based on menu path
       // e.g. to give each menu item individual style.
       // Strip funny symbols.
-      $clean_path = str_replace(array('http://', '<', '>', '&', '=', '?', ':'), '', $menu_item['link']['href']);
+      $clean_path = str_replace(array('http://', '<', '>', '&', '=', '?', ':', '.'), '', $menu_item['link']['href']);
       // Convert slashes to dashes.
       $clean_path = str_replace('/', '-', $clean_path);
       $path_class = 'menu-path-'. $clean_path;
