diff --git a/CRM/Utils/System/Backdrop.php b/CRM/Utils/System/Backdrop.php
index d8d1b8636f66..98b6a601bcf1 100644
--- a/CRM/Utils/System/Backdrop.php
+++ b/CRM/Utils/System/Backdrop.php
@@ -490,7 +490,7 @@ public function setUFLocale($civicrm_language) {
     global $language;
 
     $langcode = substr($civicrm_language, 0, 2);
-    $languages = language_list(FALSE, TRUE);
+    $languages = language_list();
 
     if (isset($languages[$langcode])) {
       $language = $languages[$langcode];