diff --git a/packages/smarthome/smartmeas.py b/packages/smarthome/smartmeas.py
index 0550d6a89d..167c275a79 100644
--- a/packages/smarthome/smartmeas.py
+++ b/packages/smarthome/smartmeas.py
@@ -533,7 +533,7 @@ def sepwattread(self) -> Tuple[int, int]:
         try:
             # neu aus openwb 2.0
             with modbus.ModbusTcpClient_(self._device_measureip, self._device_measureportsdm) as tcp_client:
-                sdm120 = sdm.Sdm120(self._device_measureid, tcp_client)
+                sdm120 = sdm.Sdm120(self._device_measureid, tcp_client, None)
                 _, newwatt = sdm120.get_power()
                 self.newwatt = int(newwatt)
                 self.newwattk = int(sdm120.get_imported())