diff --git a/openerp/addons/base/ir/ir_translation.py b/openerp/addons/base/ir/ir_translation.py
index 3ed61a7ddb3..4565bb79d16 100644
--- a/openerp/addons/base/ir/ir_translation.py
+++ b/openerp/addons/base/ir/ir_translation.py
@@ -408,7 +408,7 @@ class ir_translation(osv.osv):
                 if trans_file:
                     _logger.info('module %s: loading translation file (%s) for language %s', module_name, lang_code, lang)
                     tools.trans_load(cr, trans_file, lang, verbose=False, module_name=module_name, context=context)
-                elif lang_code != 'en':
+                elif lang_code != 'en_US':
                     _logger.warning('module %s: no translation for language %s', module_name, lang_code)
         return True