diff --git a/document_page/document_page.py b/document_page/document_page.py
index 75cc3abe..57e6d050 100644
--- a/document_page/document_page.py
+++ b/document_page/document_page.py
@@ -183,7 +183,7 @@ class document_page_history(models.Model):
 
     def __getattr__(self, attr):
         """Return a dummy callabale"""
-        if attr in ['_sql']:
+        if attr in ['_sql', 'init', '_ids']:
             raise AttributeError
 
         _logger.warning(