diff --git a/bin/addons/base/ir/ir_translation.py b/bin/addons/base/ir/ir_translation.py
index 6c64d024ab0..9a01f74870d 100644
--- a/bin/addons/base/ir/ir_translation.py
+++ b/bin/addons/base/ir/ir_translation.py
@@ -152,7 +152,7 @@ class ir_translation(osv.osv):
         ids = super(ir_translation, self).create(cursor, user, vals, context=context)
         for trans_obj in self.read(cursor, user, [ids], ['name','type','res_id','src','lang'], context=context):
             self._get_source.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], source=trans_obj['src'])
-            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], context.get('lang','en_US'), [trans_obj['res_id']])
+            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], [trans_obj['res_id']])
         return ids
 
     def write(self, cursor, user, ids, vals, context=None):
@@ -161,7 +161,7 @@ class ir_translation(osv.osv):
         result = super(ir_translation, self).write(cursor, user, ids, vals, context=context)
         for trans_obj in self.read(cursor, user, ids, ['name','type','res_id','src','lang'], context=context):
             self._get_source.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], source=trans_obj['src'])
-            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], context.get('lang','en_US'), [trans_obj['res_id']])
+            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], [trans_obj['res_id']])
         return result
 
     def unlink(self, cursor, user, ids, context=None):
@@ -169,7 +169,7 @@ class ir_translation(osv.osv):
             context = {}
         for trans_obj in self.read(cursor, user, ids, ['name','type','res_id','src','lang'], context=context):
             self._get_source.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], source=trans_obj['src'])
-            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], context.get('lang','en_US'), [trans_obj['res_id']])
+            self._get_ids.clear_cache(cursor.dbname, user, trans_obj['name'], trans_obj['type'], trans_obj['lang'], [trans_obj['res_id']])
         result = super(ir_translation, self).unlink(cursor, user, ids, context=context)
         return result