diff --git a/homeassistant/components/light/osramlightify.py b/homeassistant/components/light/osramlightify.py
index bc0cfacda1a..b2c39ee2fc5 100644
--- a/homeassistant/components/light/osramlightify.py
+++ b/homeassistant/components/light/osramlightify.py
@@ -157,8 +157,6 @@ class Luminary(Light):
 
     def turn_on(self, **kwargs):
         """Turn the device on."""
-        self._luminary.set_onoff(1)
-
         if ATTR_TRANSITION in kwargs:
             transition = int(kwargs[ATTR_TRANSITION] * 10)
             _LOGGER.debug("turn_on requested transition time for light: "
@@ -168,6 +166,16 @@ class Luminary(Light):
             _LOGGER.debug("turn_on requested transition time for light: "
                           "%s is: %s", self._name, transition)
 
+        if ATTR_BRIGHTNESS in kwargs:
+            self._brightness = kwargs[ATTR_BRIGHTNESS]
+            _LOGGER.debug("turn_on requested brightness for light: %s is: %s ",
+                          self._name, self._brightness)
+            self._luminary.set_luminance(
+                int(self._brightness / 2.55),
+                transition)
+        else:
+            self._luminary.set_onoff(1)
+
         if ATTR_RGB_COLOR in kwargs:
             red, green, blue = kwargs[ATTR_RGB_COLOR]
             _LOGGER.debug("turn_on requested ATTR_RGB_COLOR for light:"
@@ -191,14 +199,6 @@ class Luminary(Light):
                           "%s: %s", self._name, kelvin)
             self._luminary.set_temperature(kelvin, transition)
 
-        if ATTR_BRIGHTNESS in kwargs:
-            self._brightness = kwargs[ATTR_BRIGHTNESS]
-            _LOGGER.debug("turn_on requested brightness for light: %s is: %s ",
-                          self._name, self._brightness)
-            self._luminary.set_luminance(
-                int(self._brightness / 2.55),
-                transition)
-
         if ATTR_EFFECT in kwargs:
             effect = kwargs.get(ATTR_EFFECT)
             if effect == EFFECT_RANDOM: