diff --git a/brewpi.py b/brewpi.py
index 455f712..92324cc 100755
--- a/brewpi.py
+++ b/brewpi.py
@@ -21,7 +21,7 @@ if __name__ == '__main__':
 	DT_TASK_TRACER = 1.0
 
 	# Sensor
-	sensor = TempSensorFactory.create(config['Controller']['sensor_name'])
+	sensor = TempSensorFactory.create(config['Controller']['sensor_name'], temp_offset=-0.3)
 	taskmgr.add(TempSensorTask(sensor, DT_TASK, dispatcher.msgio_get("Sensor")))
 
 	# Plant
diff --git a/components/sensor/tempSensorSim.py b/components/sensor/tempSensorSim.py
index 01ad7bb..f739347 100644
--- a/components/sensor/tempSensorSim.py
+++ b/components/sensor/tempSensorSim.py
@@ -6,9 +6,8 @@ class TempSensorSim(ATemperatureSensor):
 	def name(self):
 		return "FakeTemp"
 
-	def __init__(self, temp_offset=0):
+	def __init__(self, *args, **kwargs):
 		ATemperatureSensor.__init__(self)
-		self.temp_offset = temp_offset
 		self.temp = 22.37
 		self.temp_set = self.temp
 		self.k_noise = 0.01
@@ -17,7 +16,7 @@ class TempSensorSim(ATemperatureSensor):
 		self.temp_set = temp
 
 	def temperature(self):
-		return self.temp_offset + self.temp
+		return self.temp
 
 	def process(self):
 		self.temp = self.temp_set + self.k_noise * np.random.normal(0, 1) / np.sqrt(12.0)