diff --git a/homeassistant/components/binary_sensor/ads.py b/homeassistant/components/binary_sensor/ads.py
index 8305e026030..0091f7fb533 100644
--- a/homeassistant/components/binary_sensor/ads.py
+++ b/homeassistant/components/binary_sensor/ads.py
@@ -98,8 +98,9 @@ class AdsBinarySensor(BinarySensorDevice):
 
     def poll(self, now):
         try:
-            self._state = self._ads_hub.read_by_name(self.adsvar,
-                                                     self._ads_hub.PLCTYPE_BOOL)
+            self._state = self._ads_hub.read_by_name(
+                self.adsvar, self._ads_hub.PLCTYPE_BOOL
+            )
             _LOGGER.debug('Polled value for bool variable {0}: {1}'
                           .format(self.adsvar, self._state))
         except self._ads_hub.ADSError as e: