diff --git a/src/utility/THERMOCOUPLE/MAX31855.cpp b/src/utility/THERMOCOUPLE/MAX31855.cpp
index eb2e64a..03f5b23 100644
--- a/src/utility/THERMOCOUPLE/MAX31855.cpp
+++ b/src/utility/THERMOCOUPLE/MAX31855.cpp
@@ -208,7 +208,7 @@ float MAX31855Class::readReferenceTemperature(int type)
 
   // The cold junction reference temperature is stored in the first 11 word's bits
   // sent by the Thermocouple-to-Digital Converter
-  rawword = rawword & 0x7FF;
+  rawword = rawword & 0xFFF;
   // check sign bit  and convert to negative value.
   if (rawword & 0x800) {
     ref = (0xF800 | (rawword & 0x7FF))*0.0625;
@@ -216,7 +216,7 @@ float MAX31855Class::readReferenceTemperature(int type)
       // multiply for the LSB value
       ref = rawword * 0.0625f;
   }
-  Serial.println(ref);
+  
   return ref;
 }