diff --git a/custom_components/sinapsi_alfa/api.py b/custom_components/sinapsi_alfa/api.py
index 7042409..5e8783e 100644
--- a/custom_components/sinapsi_alfa/api.py
+++ b/custom_components/sinapsi_alfa/api.py
@@ -249,7 +249,7 @@ def read_modbus_alfa(self):
                 _LOGGER.debug(
                     f"(read_modbus_alfa) Key: {reg_key} Addr: {reg_addr} Type: {reg_type} DevClass: {reg_dev_class}"
                 )
-                if reg_type == "calculated":
+                if reg_type == "calcolato":
                     self.data["potenza_auto_consumata"] = (
                         self.data["potenza_prodotta"] - self.data["potenza_immessa"]
                     )
diff --git a/custom_components/sinapsi_alfa/const.py b/custom_components/sinapsi_alfa/const.py
index 9db578f..2effb62 100644
--- a/custom_components/sinapsi_alfa/const.py
+++ b/custom_components/sinapsi_alfa/const.py
@@ -280,7 +280,7 @@
         "device_class": SensorDeviceClass.POWER,
         "state_class": SensorStateClass.MEASUREMENT,
         "unit": UnitOfPower.KILO_WATT,
-        "modbus_type": "calculated",
+        "modbus_type": "calcolato",
         "modbus_addr": None,
     },
     {
@@ -290,7 +290,7 @@
         "device_class": SensorDeviceClass.POWER,
         "state_class": SensorStateClass.MEASUREMENT,
         "unit": UnitOfPower.KILO_WATT,
-        "modbus_type": "calculated",
+        "modbus_type": "calcolato",
         "modbus_addr": None,
     },
     {
@@ -300,7 +300,7 @@
         "device_class": SensorDeviceClass.ENERGY,
         "state_class": SensorStateClass.TOTAL_INCREASING,
         "unit": UnitOfEnergy.KILO_WATT_HOUR,
-        "modbus_type": "calculated",
+        "modbus_type": "calcolato",
         "modbus_addr": None,
     },
     {
@@ -310,7 +310,7 @@
         "device_class": SensorDeviceClass.ENERGY,
         "state_class": SensorStateClass.TOTAL_INCREASING,
         "unit": UnitOfEnergy.KILO_WATT_HOUR,
-        "modbus_type": "calculated",
+        "modbus_type": "calcolato",
         "modbus_addr": None,
     },
 ]