diff --git a/product/ERP5/mixin/property_recordable.py b/product/ERP5/mixin/property_recordable.py
index 9f29a7f37338de83af8b85868cfb49c8d5096ac3..e450a9e19cba2dd586f6285cbefd61bd0cee86de 100644
--- a/product/ERP5/mixin/property_recordable.py
+++ b/product/ERP5/mixin/property_recordable.py
@@ -28,6 +28,7 @@
 
 import zope.interface
 from AccessControl import ClassSecurityInfo
+from Acquisition import aq_base
 from Products.ERP5Type import Permissions, interfaces
 from Products.ERP5Type.Globals import PersistentMapping