diff --git a/bin/addons/base/module/module.py b/bin/addons/base/module/module.py
index f06f6fcc24e..769ef4687e8 100644
--- a/bin/addons/base/module/module.py
+++ b/bin/addons/base/module/module.py
@@ -474,6 +474,8 @@ class module(osv.osv):
                 # unable to find the module. we skip
                 continue
             for lang in filter_lang:
+                if len(lang) > 5:
+                    raise osv.except_osv(_('Error'), _('You Can Not Load Translation For language Due To Invalid Language/Country Code'))
                 iso_lang = tools.get_iso_codes(lang)
                 f = os.path.join(modpath, 'i18n', iso_lang + '.po')
                 if not os.path.exists(f) and iso_lang.find('_') != -1: