diff --git a/homeassistant/components/twentemilieu/calendar.py b/homeassistant/components/twentemilieu/calendar.py
index e4ecbd9d866..f4d1e51b171 100644
--- a/homeassistant/components/twentemilieu/calendar.py
+++ b/homeassistant/components/twentemilieu/calendar.py
@@ -32,6 +32,7 @@ class TwenteMilieuCalendar(TwenteMilieuEntity, CalendarEntity):
 
     _attr_has_entity_name = True
     _attr_icon = "mdi:delete-empty"
+    _attr_name = None
 
     def __init__(
         self,