diff --git a/entities.py b/entities.py
index 498dfd89eb345f43741443436913edd68312e61f_ZW50aXRpZXMucHk=..28734f05a558c29c55ff96c87866e10cb1aedac7_ZW50aXRpZXMucHk= 100644
--- a/entities.py
+++ b/entities.py
@@ -7,7 +7,8 @@
 """
 __docformat__ = "restructuredtext en"
 
-from cubicweb.utils import todate
+from logilab.common.date import todate
+
 from cubicweb.entities import AnyEntity, fetch_config
 from cubicweb.interfaces import (ICalendarViews, ICalendarable,
                                  ISiocItem, ISiocContainer, IPrevNext)