diff --git a/automon/integrations/facebook/groups.py b/automon/integrations/facebook/groups.py
index 0ab25d20..27de23be 100644
--- a/automon/integrations/facebook/groups.py
+++ b/automon/integrations/facebook/groups.py
@@ -135,6 +135,7 @@ def creation_date(self):
     def creation_date_timestamp(self):
         if self._creation_date is not None or self.creation_date():
             # TODO: convert date to datetime timestamp
+            logger.warn(NotImplemented)
             return
 
     @property