diff --git a/homeassistant/components/avion/light.py b/homeassistant/components/avion/light.py
index 0bf1787aac7..e8f42e6a816 100644
--- a/homeassistant/components/avion/light.py
+++ b/homeassistant/components/avion/light.py
@@ -68,6 +68,7 @@ class AvionLight(LightEntity):
     _attr_supported_features = SUPPORT_AVION_LED
     _attr_should_poll = False
     _attr_assumed_state = True
+    _attr_is_on = True
 
     def __init__(self, device):
         """Initialize the light."""