diff --git a/custom_components/luxtronik/manifest.json b/custom_components/luxtronik/manifest.json
index 387fb83..4f25b13 100644
--- a/custom_components/luxtronik/manifest.json
+++ b/custom_components/luxtronik/manifest.json
@@ -1,7 +1,7 @@
 {
   "domain": "luxtronik2",
   "name": "Luxtronik",
-  "version": "2022.12.24",
+  "version": "2022.12.30",
   "integration_type": "hub",
   "config_flow": true,
   "iot_class": "local_polling",
diff --git a/custom_components/luxtronik/sensor.py b/custom_components/luxtronik/sensor.py
index ca30c6a..a6b3cde 100644
--- a/custom_components/luxtronik/sensor.py
+++ b/custom_components/luxtronik/sensor.py
@@ -877,7 +877,7 @@ def update(self):
         time_now = time(datetime.now().hour, datetime.now().minute)
         if self.native_value is not None and self._last_state is not None and self.native_value == LUX_STATUS_EVU and self._last_state != LUX_STATUS_EVU:
             # evu start
-            if self._first_evu_start_time is None or time_now.hour <= self._first_evu_start_time.hour or time_now.hour <= self._second_evu_start_time or time_now.hour <= self._first_evu_end_time.hour:
+            if self._first_evu_start_time is None or time_now.hour <= self._first_evu_start_time.hour or (self._second_evu_start_time is not None and time_now.hour <= self._second_evu_start_time.hour) or time_now.hour <= self._first_evu_end_time.hour:
                 self._first_evu_start_time = time_now
             else:
                 self._second_evu_start_time = time_now