diff --git a/example_YF-B10_flow_sensor.ino b/example_YF-B10_flow_sensor.ino
index 3cd4a96..d6ba4e9 100644
--- a/example_YF-B10_flow_sensor.ino
+++ b/example_YF-B10_flow_sensor.ino
@@ -67,7 +67,7 @@ void loop()
 
     // As we have a add operation we need to avoid the positive value when no pulse is found
     if (tmp > 0) {
-      flowRate = tmp / calibrationFactor + calibrationDifference;
+      flowRate = (tmp + calibrationDifference) / calibrationFactor;
     }else {
       flowRate = 0;
     }