diff --git a/Mk2_3phase_RFdatalog_temp/movingAvg.h b/Mk2_3phase_RFdatalog_temp/movingAvg.h
index 860cfda3..64c2aeca 100644
--- a/Mk2_3phase_RFdatalog_temp/movingAvg.h
+++ b/Mk2_3phase_RFdatalog_temp/movingAvg.h
@@ -55,7 +55,7 @@ class movingAvg
     } while (i);
   }
 
-  float getAverage() const
+  auto getAverage() const
   {
     return _sum / N;
   }