diff --git a/public/index.php b/public/index.php
index 5ef8213f6..aacf615a6 100755
--- a/public/index.php
+++ b/public/index.php
@@ -20,6 +20,9 @@ if(defined('MFLOCALE_MONETARY')) {
 if(defined('MFLOCALE_NUMERIC')) {
   setlocale(LC_NUMERIC, MFLOCALE_NUMERIC);
 }
+if(defined('MFLOCALE_CTYPE')) {
+    setlocale(LC_CTYPE, MFLOCALE_CTYPE);
+}
 
 define('FRONKDB_SQLDEBUG',false);