From 2ca4bde06aa49febc671470a2cd0bbce9d173c70 Mon Sep 17 00:00:00 2001
From: starkillerOG <starkiller.og@gmail.com>
Date: Fri, 19 Jan 2018 10:50:12 +0100
Subject: [PATCH] Hyperion: fix (#11793)

---
 homeassistant/components/light/hyperion.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/components/light/hyperion.py b/homeassistant/components/light/hyperion.py
index 644c1e84ebe..4701866cd9a 100644
--- a/homeassistant/components/light/hyperion.py
+++ b/homeassistant/components/light/hyperion.py
@@ -147,6 +147,8 @@ class Hyperion(Light):
 
         if ATTR_BRIGHTNESS in kwargs:
             brightness = kwargs[ATTR_BRIGHTNESS]
+        else:
+            brightness = self._brightness
 
         if ATTR_EFFECT in kwargs:
             self._skip_update = True