diff --git a/components/sensor/tempSensor_max31865.py b/components/sensor/tempSensor_max31865.py
index d4fadf1..e438235 100755
--- a/components/sensor/tempSensor_max31865.py
+++ b/components/sensor/tempSensor_max31865.py
@@ -15,7 +15,7 @@ class TempSensor_max31865(ATemperatureSensor):
 		self.spi.open(0, 0)
 		self.spi.max_speed_hz = 50000
 		self.spi.mode = 0b01
-		self.temp_correction = -1.0
+		self.temp_correction = -1.2
 		self.write_reg(0x00, 0xA3)
 		time.sleep(0.100)
 		self.digits = 0
@@ -53,7 +53,7 @@ class TempSensor_max31865(ATemperatureSensor):
 
 	@staticmethod
 	def calc_R(Rref, digits):
-		k = digits / 8192 / 4
+		k = digits / 32768
 		R = k*Rref
 
 		return R