diff --git a/pytec/pytec/gui/model/thermostat.py b/pytec/pytec/gui/model/thermostat.py
index 3939038..803e036 100644
--- a/pytec/pytec/gui/model/thermostat.py
+++ b/pytec/pytec/gui/model/thermostat.py
@@ -33,7 +33,6 @@ class Thermostat(QObject, metaclass=PropertyMeta):
         self._report_mode_task = None
         self._poll_for_report = True
         self._update_params_task = None
-        self.connection_errored = False
         super().__init__(parent)
 
     async def start_session(self, host, port):
@@ -54,7 +53,6 @@ class Thermostat(QObject, metaclass=PropertyMeta):
                         exc_info=True,
                     )
                     self.connection_error.emit()
-                    self.connection_errored = True
                     return
                 self._update_params_task = asyncio.create_task(self.update_params())
             await asyncio.sleep(self._update_s)
@@ -117,7 +115,6 @@ class Thermostat(QObject, metaclass=PropertyMeta):
         self.stop_watching()
         await self._client.disconnect()
         self.connection_state_changed.emit(ThermostatConnectionState.DISCONNECTED)
-        self.connection_errored = False
 
     async def set_ipv4(self, ipv4):
         await self._client.set_param("ipv4", ipv4)