diff --git a/homeassistant/components/vacuum/neato.py b/homeassistant/components/vacuum/neato.py
index 53f83a1de1d..83a4ad7c58d 100644
--- a/homeassistant/components/vacuum/neato.py
+++ b/homeassistant/components/vacuum/neato.py
@@ -108,27 +108,28 @@ class NeatoConnectedVacuum(StateVacuumDevice):
             self._clean_state = STATE_ERROR
             self._status_state = ERRORS.get(self._state['error'])
 
-        if not self._mapdata.get(self.robot.serial, {}).get('maps', []):
+        if not self._mapdata.get(self._robot_serial, {}).get('maps', []):
             return
         self.clean_time_start = (
-            (self._mapdata[self.robot.serial]['maps'][0]['start_at']
+            (self._mapdata[self._robot_serial]['maps'][0]['start_at']
              .strip('Z'))
             .replace('T', ' '))
         self.clean_time_stop = (
-            (self._mapdata[self.robot.serial]['maps'][0]['end_at'].strip('Z'))
+            (self._mapdata[self._robot_serial]['maps'][0]['end_at'].strip('Z'))
             .replace('T', ' '))
         self.clean_area = (
-            self._mapdata[self.robot.serial]['maps'][0]['cleaned_area'])
+            self._mapdata[self._robot_serial]['maps'][0]['cleaned_area'])
         self.clean_suspension_charge_count = (
-            self._mapdata[self.robot.serial]['maps'][0]
+            self._mapdata[self._robot_serial]['maps'][0]
             ['suspended_cleaning_charging_count'])
         self.clean_suspension_time = (
-            self._mapdata[self.robot.serial]['maps'][0]
+            self._mapdata[self._robot_serial]['maps'][0]
             ['time_in_suspended_cleaning'])
         self.clean_battery_start = (
-            self._mapdata[self.robot.serial]['maps'][0]['run_charge_at_start'])
+            self._mapdata[self._robot_serial]['maps'][0]['run_charge_at_start']
+            )
         self.clean_battery_end = (
-            self._mapdata[self.robot.serial]['maps'][0]['run_charge_at_end'])
+            self._mapdata[self._robot_serial]['maps'][0]['run_charge_at_end'])
 
         self._battery_level = self._state['details']['charge']