diff --git a/homeassistant/components/vicare/climate.py b/homeassistant/components/vicare/climate.py
index 7c47629530a..ba2665ac083 100644
--- a/homeassistant/components/vicare/climate.py
+++ b/homeassistant/components/vicare/climate.py
@@ -157,6 +157,7 @@ class ViCareClimate(ViCareEntity, ClimateEntity):
     _attr_preset_modes = list(HA_TO_VICARE_PRESET_HEATING)
     _current_action: bool | None = None
     _current_mode: str | None = None
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,