diff --git a/src/smartpower2.ino b/src/smartpower2.ino
index 8b8c96a1647c4381a8f718d8e0e4452b249989b0..8ed1c3ca86f78c6e9f1bdb86fa4ef6a7625c6e06 100644
--- a/src/smartpower2.ino
+++ b/src/smartpower2.ino
@@ -717,7 +717,7 @@ void handler(void)
   if (logClient && logClient.connected())
   {
     // Report the log info
-    String data = String(volt) + "," + String(ampere) + "," +
+    String data = String(volt, 3) + "," + String(ampere, 3) + "," +
       String(watt, 3) + "," + String(watth/3600, 3) + "\r\n";
 
     logClient.write(data.c_str());