diff --git a/includes/iso.inc b/includes/iso.inc
index 6c66c56..4dc7325 100644
--- a/includes/iso.inc
+++ b/includes/iso.inc
@@ -389,6 +389,7 @@ function _locale_get_predefined_list() {
     'lo' => array('Laothian'),
     'lt' => array('Lithuanian', 'Lietuvių'),
     'lv' => array('Latvian', 'Latviešu'),
+    'mfe' => array('Mauritian Creole', 'Kreol Morisyen'),
     'mg' => array('Malagasy'),
     'mh' => array('Marshallese'),
     'mi' => array('Māori'),
@@ -448,6 +449,7 @@ function _locale_get_predefined_list() {
     'sv' => array('Swedish', 'Svenska'),
     'sw' => array('Swahili', 'Kiswahili'),
     'ta' => array('Tamil', 'தமிழ்'),
+    'ta-lk' => array('Tamil, Sri Lanka', 'தமிழ், இலங்கை'),
     'te' => array('Telugu', 'తెలుగు'),
     'tg' => array('Tajik'),
     'th' => array('Thai', 'ภาษาไทย'),
@@ -461,6 +463,7 @@ function _locale_get_predefined_list() {
     'tt' => array('Tatar', 'Tatarça'),
     'tw' => array('Twi'),
     'ty' => array('Tahitian'),
+    'tyv' => array('Tuvan', 'Тыва дыл'),
     'ug' => array('Uyghur'),
     'uk' => array('Ukrainian', 'Українська'),
     'ur' => array('Urdu', /* Left-to-right marker "‭" */ 'اردو', LANGUAGE_RTL),