diff --git a/packages/modules/devices/solakon/solakon_one/inverter.py b/packages/modules/devices/solakon/solakon_one/inverter.py
index 72e60b53f9..035fc35e52 100644
--- a/packages/modules/devices/solakon/solakon_one/inverter.py
+++ b/packages/modules/devices/solakon/solakon_one/inverter.py
@@ -30,7 +30,7 @@ def initialize(self) -> None:
     def update(self) -> None:
         unit = self.component_config.configuration.modbus_id
         # Gesamte DC PV Leistung aller vier MPPT in W
-        power = self.client.read_holding_registers(39118, ModbusDataType.INT_32, unit=unit)
+        power = self.client.read_holding_registers(39118, ModbusDataType.INT_32, unit=unit) * -1
         # Gesamte DC PV Produktion in Wh
         exported = self.client.read_holding_registers(39601, ModbusDataType.UINT_32, unit=unit) * 10