diff --git a/app/app.tar.gz b/app/app.tar.gz
index c31d43d..9dd0b76 100644
Binary files a/app/app.tar.gz and b/app/app.tar.gz differ
diff --git a/controller/sensors.py b/controller/sensors.py
index 2981731..fe08568 100644
--- a/controller/sensors.py
+++ b/controller/sensors.py
@@ -11,7 +11,7 @@ GPIO.setup(config.GPIO_PIN_TANKFULL, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
 
 # tank sensor has inverse logic - 0 when it is full 1 when it is not
 # so we are inverting its value here
-tankFull = (not GPIO.input(config.GPIO_PIN_TANKFULL))
+tankFull = not (GPIO.input(config.GPIO_PIN_TANKFULL) == GPIO.LOW)
 GPIO.cleanup()
 print 'Bacva puna: {}'.format(tankFull)
 
@@ -32,7 +32,7 @@ humidity, temperature = Adafruit_DHT.read_retry(SENSOR_TYPE, config.GPIO_PIN_DHT
 # guarantee the timing of calls to read the sensor).
 # If this happens try again!
 if temperature is not None and humidity is not None:
-    response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankFull":tankFull,
+    response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankFull": "1" if tankFull else "0",
     "controllerId": controller_id
     })
     print 'Temp={0:0.1f}*C'.format(temperature)