diff --git a/main/inc/lib/api.lib.php b/main/inc/lib/api.lib.php
index 364a1762490..13e7d7d9b7e 100644
--- a/main/inc/lib/api.lib.php
+++ b/main/inc/lib/api.lib.php
@@ -986,6 +986,8 @@ function api_is_facebook_auth_activated() {
  */
 function api_add_trailing_slash($path) {
     return substr($path, -1) == '/' ? $path : $path.'/';
+    // This code is about 20% faster than the preg_replace equivalent
+    //return preg_replace('/([^\/])$/', '$1/', $path);
 }
 
 /**