diff --git a/packages/helpermodules/update_config.py b/packages/helpermodules/update_config.py
index 4d7e1407cb..1b47c24931 100644
--- a/packages/helpermodules/update_config.py
+++ b/packages/helpermodules/update_config.py
@@ -57,7 +57,7 @@
 
 class UpdateConfig:
 
-    DATASTORE_VERSION = 129
+    DATASTORE_VERSION = 130
 
     valid_topic = [
         "^openWB/bat/config/bat_control_activated$",
@@ -3288,3 +3288,14 @@ def upgrade(topic: str, payload) -> None:
             return None
         self._loop_all_received_topics(upgrade)
         self._append_datastore_version(129)
+
+    def upgrade_datastore_130(self) -> None:
+        def upgrade(topic: str, payload) -> None:
+            if "openWB/optional/ep/flexible_tariff/provider" == topic:
+                provider = decode_payload(payload)
+                if provider["type"] == "westfalen_wind" and provider["configuration"].get("update_hours") is None:
+                    provider["configuration"]["update_hours"] = [0]
+                    return {topic: provider}
+            return None
+        self._loop_all_received_topics(upgrade)
+        self._append_datastore_version(130)
diff --git a/packages/modules/electricity_pricing/flexible_tariffs/westfalen_wind/config.py b/packages/modules/electricity_pricing/flexible_tariffs/westfalen_wind/config.py
index 78e1d4817e..92080a1ca8 100644
--- a/packages/modules/electricity_pricing/flexible_tariffs/westfalen_wind/config.py
+++ b/packages/modules/electricity_pricing/flexible_tariffs/westfalen_wind/config.py
@@ -17,6 +17,7 @@ class WestfalenWindTariffConfiguration:
     password: Optional[str] = None
     contract_id: Optional[str] = None
     token: WestfalenWindToken = field(default_factory=WestfalenWindToken, compare=False)
+    update_hours: list[int] = field(default_factory=lambda: [0])  # letzter Preis für 23:45
 
 
 @dataclass