diff --git a/product/ERP5/Document/Event.py b/product/ERP5/Document/Event.py
index 77774e81c22adf7b7f9d1b2c8c250df1eadbaa14..1d1a2b421c9ee7a00b42f1609080f361845a2ac8 100644
--- a/product/ERP5/Document/Event.py
+++ b/product/ERP5/Document/Event.py
@@ -51,6 +51,7 @@ class Event(EmailDocument, Movement):
   isPortalContent = 1
   isRADContent = 1
   isDelivery = 1
+  isMovement = 1
 
   # Declarative security
   security = ClassSecurityInfo()