diff --git a/src/MCUTempSensor.cpp b/src/MCUTempSensor.cpp
index a413214..69a3226 100644
--- a/src/MCUTempSensor.cpp
+++ b/src/MCUTempSensor.cpp
@@ -186,7 +186,7 @@
         else
         {
             std::cerr << "Invalid read getMCURegsInfoWord\n";
-            updateValue(-1);
+            incrementError();
         }
         read();
     });