diff --git a/Adafruit_BME280.cpp b/Adafruit_BME280.cpp
index 6d58509..fbcb0a2 100644
--- a/Adafruit_BME280.cpp
+++ b/Adafruit_BME280.cpp
@@ -545,7 +545,7 @@ uint32_t Adafruit_BME280::sensorID(void) { return _sensorID; }
  *   @returns the current temperature compensation value in degrees Celcius
  */
 float Adafruit_BME280::getTemperatureCompensation(void) {
-  return float(((t_fine_adjust * 5) >> 8) / 100);
+  return float((t_fine_adjust * 5) >> 8) / 100.0;
 };
 
 /*!