diff --git a/pyproject.toml b/pyproject.toml
index 01c1811..d8122cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "smart_meter_to_openhab"
-version = "0.2.10"
+version = "0.3.0"
 description = "Pushing data of ISKRA MT175 smart meter to openhab"
 authors = ["Heiko Bauer <heiko_bauer@icloud.com>"]
 repository = "https://github.com/die-bauerei/smart-meter-to-openhab"
diff --git a/smart_meter_to_openhab/openhab.py b/smart_meter_to_openhab/openhab.py
index ae9c9f9..7824b8c 100644
--- a/smart_meter_to_openhab/openhab.py
+++ b/smart_meter_to_openhab/openhab.py
@@ -82,7 +82,9 @@ def _get_persistence_values(self, oh_item_names : Tuple[str, ...], timedelta : d
     def check_if_updated(self, oh_item_names : Tuple[str, ...], timedelta : datetime.timedelta) -> bool:
         pers_values=self._get_persistence_values(oh_item_names, timedelta)
         for values in pers_values:
-            if all(i == values[0] for i in values):
+            if not values:
+                return False
+            elif values[0] > 5.0 and all(i == values[0] for i in values):
                 return False
         return True
 
diff --git a/smart_meter_to_openhab_scripts/main.py b/smart_meter_to_openhab_scripts/main.py
index ee409fe..b82f870 100644
--- a/smart_meter_to_openhab_scripts/main.py
+++ b/smart_meter_to_openhab_scripts/main.py
@@ -98,8 +98,9 @@ def main() -> None:
     logger.info(f"Starting smart_meter_to_openhab version {__version__}")
     logger.setLevel(log_level_from_arg(args.verbose))
     try:
+        process_start_time=datetime.now()
         while True:
-            _run(datetime.now(), logger, args.smart_meter_read_count, args.interval_in_sec, args.ping_in_min, args.uhubctl)
+            _run(process_start_time, logger, args.smart_meter_read_count, args.interval_in_sec, args.ping_in_min, args.uhubctl)
     except Exception as e:
         logger.exception("Caught Exception: " + str(e))
     except: