diff --git a/homeassistant/components/media_player/vizio.py b/homeassistant/components/media_player/vizio.py
index 395f5bb369e..af3fdd1e15a 100644
--- a/homeassistant/components/media_player/vizio.py
+++ b/homeassistant/components/media_player/vizio.py
@@ -92,25 +92,31 @@ class VizioDevice(MediaPlayerDevice):
     def update(self):
         """Retrieve latest state of the TV."""
         is_on = self._device.get_power_state()
-        if is_on is None:
-            self._state = None
-            return
-        if is_on is False:
-            self._state = STATE_OFF
-        else:
+
+        if is_on:
             self._state = STATE_ON
 
-        volume = self._device.get_current_volume()
-        if volume is not None:
-            self._volume_level = float(volume) / 100.
-        input_ = self._device.get_current_input()
-        if input_ is not None:
-            self._current_input = input_.meta_name
-        inputs = self._device.get_inputs()
-        if inputs is not None:
-            self._available_inputs = []
-            for input_ in inputs:
-                self._available_inputs.append(input_.name)
+            volume = self._device.get_current_volume()
+            if volume is not None:
+                self._volume_level = float(volume) / 100.
+
+            input_ = self._device.get_current_input()
+            if input_ is not None:
+                self._current_input = input_.meta_name
+
+            inputs = self._device.get_inputs()
+            if inputs is not None:
+                self._available_inputs = [input_.name for input_ in inputs]
+
+        else:
+            if is_on is None:
+                self._state = None
+            else:
+                self._state = STATE_OFF
+
+            self._volume_level = None
+            self._current_input = None
+            self._available_inputs = None
 
     @property
     def state(self):