diff --git a/custom_components/linkytic/sensor.py b/custom_components/linkytic/sensor.py
index 07f7846..8be0afd 100644
--- a/custom_components/linkytic/sensor.py
+++ b/custom_components/linkytic/sensor.py
@@ -1374,6 +1374,7 @@ def update(self):
         # Handle entity availability
         if value is None:
             if self._attr_available:
+                self._extra = {}
                 if not self._serial_controller.is_connected():
                     _LOGGER.debug(
                         "%s: marking the %s sensor as unavailable: serial connection lost",
diff --git a/custom_components/linkytic/serial_reader.py b/custom_components/linkytic/serial_reader.py
index eee0335..4ffacbd 100644
--- a/custom_components/linkytic/serial_reader.py
+++ b/custom_components/linkytic/serial_reader.py
@@ -379,7 +379,6 @@ def parse_ads(self, ads):
                 len(ads),
                 ads,
             )
-            self._extra = {}
             return
         # let's parse ADS as EURIDIS
         device_identification = {DID_YEAR: ads[2:4], DID_REGNUMBER: ads[6:]}
@@ -408,7 +407,7 @@ def parse_ads(self, ads):
         # # Update device infos
         self.device_identification = device_identification
         # Parsing done
-        _LOGGER.debug("%s: parsed ADS: %s", self._title, repr(self._extra))
+        _LOGGER.debug("%s: parsed ADS: %s", self._title, repr(self.device_identification))
 
 
 class InvalidChecksum(Exception):