diff --git a/src/modules/sensors/temperature_compensation.cpp b/src/modules/sensors/temperature_compensation.cpp
index 9ed0c965a9..01884fd002 100644
--- a/src/modules/sensors/temperature_compensation.cpp
+++ b/src/modules/sensors/temperature_compensation.cpp
@@ -285,7 +285,7 @@ bool TemperatureCompensation::calc_thermal_offsets_1D(SensorCalData1D &coef, flo
 
 }
 
-bool TemperatureCompensation::calc_thermal_offsets_3D(SensorCalData3D &coef, float measured_temp, float offset[])
+bool TemperatureCompensation::calc_thermal_offsets_3D(const SensorCalData3D &coef, float measured_temp, float offset[])
 {
 	bool ret = true;
 
diff --git a/src/modules/sensors/temperature_compensation.h b/src/modules/sensors/temperature_compensation.h
index 94980e7ba4..f924d27950 100644
--- a/src/modules/sensors/temperature_compensation.h
+++ b/src/modules/sensors/temperature_compensation.h
@@ -243,7 +243,7 @@ private:
 	Boolean true if the measured temperature is inside the valid range for the compensation
 
 	*/
-	bool calc_thermal_offsets_3D(SensorCalData3D &coef, float measured_temp, float offset[]);
+	bool calc_thermal_offsets_3D(const SensorCalData3D &coef, float measured_temp, float offset[]);
 
 
 	Parameters _parameters;