diff --git a/lang/sync_lang.sh b/lang/sync_lang.sh
index 7e0972857..ef702c624 100755
--- a/lang/sync_lang.sh
+++ b/lang/sync_lang.sh
@@ -49,7 +49,7 @@ slovak-iso-8859-2
 spanish-iso-8859-1
 swedish-iso-8859-1
 thai-tis-620
-turkish
+turkish-iso-8859-9
 ukrainian-win1251
 EOT`
 
diff --git a/lang/ukrainian-win1251.inc.php3 b/lang/ukrainian-windows-1251.inc.php3
similarity index 100%
rename from lang/ukrainian-win1251.inc.php3
rename to lang/ukrainian-windows-1251.inc.php3
diff --git a/libraries/select_lang.lib.php3 b/libraries/select_lang.lib.php3
index a214f02aa..26dcbff19 100644
--- a/libraries/select_lang.lib.php3
+++ b/libraries/select_lang.lib.php3
@@ -84,7 +84,7 @@ $available_languages = array(
     'sr-win1250'   => array('sr|serbian', 'serbian-windows-1250', 'sr'),
     'sv-iso-8859-1'=> array('sv|swedish', 'swedish-iso-8859-1', 'sv'),
     'th-tis-620'   => array('th|thai', 'thai-tis-620', 'th'),
-    'tr'           => array('tr|turkish', 'turkish', 'tr'),
+    'tr-iso-8859-9'=> array('tr|turkish', 'turkish-iso-8859-9', 'tr'),
     'uk-win1251'   => array('uk|ukrainian', 'ukrainian-win1251', 'uk'),
     'zh-tw'        => array('zh[-_]tw|chinese traditional', 'chinese_big5', 'zh-TW'),
     'zh'           => array('zh|chinese simplified', 'chinese_gb', 'zh')