diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index 6d12f8a49fe..1be8a2b4796 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -656,6 +656,9 @@ class WebClient(openerpweb.Controller):
     def translations(self, req, mods, lang):
         res_lang = req.session.model('res.lang')
         ids = res_lang.search([("code", "=", lang)])
+        if not ids:
+            ids = res_lang.search([("iso_code", "=", lang)])
+            lang = res_lang.search_read([('id', "in", ids)], ["code"])[0]['code']
         lang_params = None
         if ids:
             lang_params = res_lang.read(ids[0], ["direction", "date_format", "time_format",
@@ -668,7 +671,7 @@ class WebClient(openerpweb.Controller):
         messages = ir_translation.search_read([('module','in',mods),('lang','=',lang),
                                                ('comments','like','openerp-web'),('value','!=',False),
                                                ('value','!=','')],
-                                              ['module','src','value','lang'], order='module') 
+                                              ['module','src','value','lang'], order='module')
         for mod, msg_group in itertools.groupby(messages, key=operator.itemgetter('module')):
             translations_per_module.setdefault(mod,{'messages':[]})
             translations_per_module[mod]['messages'].extend({'id': m['src'],
@@ -1072,7 +1075,7 @@ class DataSet(openerpweb.Controller):
     @openerpweb.jsonrequest
     def call(self, req, model, method, args, domain_id=None, context_id=None):
         return self._call_kw(req, model, method, args, {})
-    
+
     @openerpweb.jsonrequest
     def call_kw(self, req, model, method, args, kwargs):
         return self._call_kw(req, model, method, args, kwargs)
@@ -1186,7 +1189,7 @@ class Binary(openerpweb.Controller):
                     if width > 500: width = 500
                     if height > 500: height = 500
                     image_base64 = openerp.tools.image_resize_image(base64_source=image_base64, size=(width, height), encoding='base64', filetype='PNG')
-            
+
             image_data = base64.b64decode(image_base64)
 
         except (TypeError, xmlrpclib.Fault):
@@ -1468,7 +1471,7 @@ class Export(View):
         fields = self.fields_get(req, model)
         if ".id" in export_fields:
             fields['.id'] = fields.pop('id', {'string': 'ID'})
-            
+
         # To make fields retrieval more efficient, fetch all sub-fields of a
         # given field at the same time. Because the order in the export list is
         # arbitrary, this requires ordering all sub-fields of a given field