diff --git a/lib/MeasureUnit/Ads1115.cpp b/lib/MeasureUnit/Ads1115.cpp
index 9062621..e6ba689 100644
--- a/lib/MeasureUnit/Ads1115.cpp
+++ b/lib/MeasureUnit/Ads1115.cpp
@@ -109,6 +109,7 @@ void Ads1115::startSample(int16_t channel, boolean sgl)
       if(_numOfSamples == getAdcSetting().getMeasureIteration())
       {
         _sampledValue /= (double)_numOfSamples;
+        _sampledValue += channel > 3 ? 82.0 : 0.0;
         _state = RESULT_READY;
       }
       break;