diff --git a/libraries/select_lang.lib.php3 b/libraries/select_lang.lib.php3
index a2b36b0911..a5055a74e1 100644
--- a/libraries/select_lang.lib.php3
+++ b/libraries/select_lang.lib.php3
@@ -63,6 +63,7 @@ $available_languages = array(
     'ja-euc'     => array('ja|japanese', 'japanese-euc', 'ja'),
     'ja-sjis'    => array('ja|japanese', 'japanese-sjis', 'ja'),
     'ko'         => array('ko|korean', 'korean', 'ko'),
+    'lt'         => array('lt|lithuanian', 'lithuanian', 'lt'),
     'lv'         => array('lv|latvian', 'latvian', 'lv'),
     'nl'         => array('nl([-_][[:alpha:]]{2})?|dutch', 'dutch', 'nl'),
     'no'         => array('no|norwegian', 'norwegian', 'no'),