diff --git a/openerp/addons/base/ir/ir_qweb.py b/openerp/addons/base/ir/ir_qweb.py
index 19bfa05ffe8..2471576a0f9 100644
--- a/openerp/addons/base/ir/ir_qweb.py
+++ b/openerp/addons/base/ir/ir_qweb.py
@@ -444,7 +444,7 @@ class QWeb(orm.AbstractModel):
             d.context['lang'] = self.eval(lang, d) or lang
             if not self.pool['res.lang'].search(d.cr, d.uid, [('code', '=', d.context['lang'])], count=True, context=d.context):
                 d.context['lang'] = qwebcontext.get('res_company') and qwebcontext.get('res_company').partner_id.lang or 'en_US'
-                _logger.info("'%s' is not a valid language code, is an empty field or is not installed, falling back to %s" % (lang_eval, d.context['lang']))
+                _logger.info("'%s' is not a valid language code, is an empty field or is not installed, falling back to %s" % (lang, d.context['lang']))
 
         d[0] = self.render_element(element, template_attributes, generated_attributes, d)
         cr = d.get('request') and d['request'].cr or None