diff --git a/odex25_hr/months_custom/__init__.py b/odex25_hr/months_custom/__init__.py
index 384270d52..e36990713 100644
--- a/odex25_hr/months_custom/__init__.py
+++ b/odex25_hr/months_custom/__init__.py
@@ -37,6 +37,7 @@ def format_date(env, value, lang_code=False, date_format=False):
 
     lang = env['res.lang']._lang_get(lang_code or env.context.get('lang') or 'en_US')
     locale = babel.Locale.parse(lang.code)
+    locale=str(locale)
     if locale.lower().startswith('ar'):
         locale = "ar"
     if not date_format: