diff --git a/web/lang/cn_zh.php b/web/lang/zh_cn.php
similarity index 99%
rename from web/lang/cn_zh.php
rename to web/lang/zh_cn.php
index 09a5c3b27..d58ecc662 100644
--- a/web/lang/cn_zh.php
+++ b/web/lang/zh_cn.php
@@ -65,9 +65,9 @@
 //
 // Examples
 // setlocale( 'LC_ALL', 'en_GB' ); All locale settings pre-4.3.0
- setlocale( LC_ALL, 'cn_ZH' ); //All locale settings 4.3.0 and after
- setlocale( LC_CTYPE, 'cn_ZH' ); //Character class settings 4.3.0 and after
- setlocale( LC_TIME, 'cn_ZH' ); //Date and time formatting 4.3.0 and after
+ setlocale( LC_ALL, 'zh_CN' ); //All locale settings 4.3.0 and after
+ setlocale( LC_CTYPE, 'zh_CN' ); //Character class settings 4.3.0 and after
+ setlocale( LC_TIME, 'zh_CN' ); //Date and time formatting 4.3.0 and after
 
 // Simple String Replacements
 $SLANG = array(