diff --git a/custom_components/fhem/sensor.py b/custom_components/fhem/sensor.py
index 1909e90..c31dd3c 100644
--- a/custom_components/fhem/sensor.py
+++ b/custom_components/fhem/sensor.py
@@ -68,7 +68,7 @@ class FhemSensor(Entity):
             await self.async_update_ha_state()
         elif self._type == 'power' and line.startswith('power'):
             self._available = True
-            _, new_value = line
+            _, new_value = line.split(':')
             self._state = int(new_value)
             await self.async_update_ha_state()
         elif line.startswith('ResndFail') or line.startswith('MISSING ACK'):