diff --git a/trytond/model/modelstorage.py b/trytond/model/modelstorage.py
index b17952b640..a54b58e1c9 100644
--- a/trytond/model/modelstorage.py
+++ b/trytond/model/modelstorage.py
@@ -509,8 +509,8 @@ class ModelStorage(Model):
         if isinstance(ids, (int, long)):
             return BrowseRecord(cursor, user, ids, self, context=context)
         local_cache = {}
-        return BrowseRecordList([BrowseRecord(cursor, user, x, self,
-            local_cache=local_cache, context=context) for x in ids],
+        return BrowseRecordList((BrowseRecord(cursor, user, x, self,
+            local_cache=local_cache, context=context) for x in ids),
             context=context)
 
     def __export_row(self, cursor, user, row, fields_names, context=None):