diff --git a/core/modules/language/language.admin.inc b/core/modules/language/language.admin.inc
index 1872146..5e3148d 100644
--- a/core/modules/language/language.admin.inc
+++ b/core/modules/language/language.admin.inc
@@ -142,7 +121,7 @@ function theme_language_admin_overview_form_table($variables) {
  * Process language overview form submissions, updating existing languages.
  */
 function language_admin_overview_form_submit($form, &$form_state) {
-  $languages = language_list(LANGUAGE_ALL);
+  $languages = language_list();
   $old_default = language_default();

   foreach ($languages as $langcode => $language) {