diff --git a/main/ZsensorINA226.ino b/main/ZsensorINA226.ino
index 93b0503a3d..8d5eb1e58a 100644
--- a/main/ZsensorINA226.ino
+++ b/main/ZsensorINA226.ino
@@ -69,15 +69,9 @@ void MeasureINA226() {
     float current = shuntvolt * 0.0000025 / rShunt; // * LSB / R
     float power = abs(volt * current);
 
-    char volt_c[7];
-    char current_c[7];
-    char power_c[7];
-    dtostrf(volt, 6, 3, volt_c);
-    dtostrf(current, 6, 3, current_c);
-    dtostrf(power, 6, 3, power_c);
-    INA226data["volt"] = (char*)volt_c;
-    INA226data["current"] = (char*)current_c;
-    INA226data["power"] = (char*)power_c;
+    INA226data["volt"] = volt;
+    INA226data["current"] = current;
+    INA226data["power"] = power;
     pub(subjectINA226toMQTT, INA226data);
   }
 }