diff --git a/src/CPUSensor.cpp b/src/CPUSensor.cpp
index aebaa4c..d54263a 100644
--- a/src/CPUSensor.cpp
+++ b/src/CPUSensor.cpp
@@ -99,7 +99,7 @@
             float nvalue = std::stof(response);
             responseStream.clear();
             nvalue /= CPUSensor::sensorScaleFactor;
-            if (!isnan(overriddenValue))
+            if (overridenState)
             {
                 nvalue = overriddenValue;
             }