diff --git a/addons/portal_crm/security/ir.model.access.csv b/addons/portal_crm/security/ir.model.access.csv
index 55a5b08dd79..648ccb1617d 100644
--- a/addons/portal_crm/security/ir.model.access.csv
+++ b/addons/portal_crm/security/ir.model.access.csv
@@ -1,3 +1,3 @@
 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-access_calendar_event_portal,calendar.event.portal,calendar.model_calendar_event,portal.group_portal,1,1,0,0
-access_calendar_event_type_portal,calendar.event.type.portal,calendar.model_calendar_event_type,portal.group_portal,1,0,0,0
+access_calendar_event_portal,calendar.event.portal,calendar.model_calendar_event,base.group_portal,1,1,0,0
+access_calendar_event_type_portal,calendar.event.type.portal,calendar.model_calendar_event_type,base.group_portal,1,0,0,0