diff --git a/custom_components/luxtronik/switch_entities_predefined.py b/custom_components/luxtronik/switch_entities_predefined.py
index 05d0b67..f11fe10 100644
--- a/custom_components/luxtronik/switch_entities_predefined.py
+++ b/custom_components/luxtronik/switch_entities_predefined.py
@@ -3,6 +3,7 @@
 
 from .const import (
     UPDATE_INTERVAL_NORMAL,
+    UPDATE_INTERVAL_VERY_SLOW,
     DeviceKey,
     LuxMode,
     LuxParameter as LP,