diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index f6e1dcd..c47e142 100755
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -123,20 +123,20 @@ class MainWindow(QtWidgets.QMainWindow):
         self.loading_spinner.hide()
 
     @asyncSlot(ThermostatConnectionState)
-    async def _on_connection_changed(self, result):
-        self.graph_group.setEnabled(result == ThermostatConnectionState.CONNECTED)
-        self.report_group.setEnabled(result == ThermostatConnectionState.CONNECTED)
+    async def _on_connection_changed(self, state):
+        self.graph_group.setEnabled(state == ThermostatConnectionState.CONNECTED)
+        self.report_group.setEnabled(state == ThermostatConnectionState.CONNECTED)
         self.thermostat_settings.setEnabled(
-            result == ThermostatConnectionState.CONNECTED
+            state == ThermostatConnectionState.CONNECTED
         )
         self.conn_menu.host_set_line.setEnabled(
-            result == ThermostatConnectionState.DISCONNECTED
+            state == ThermostatConnectionState.DISCONNECTED
         )
         self.conn_menu.port_set_spin.setEnabled(
-            result == ThermostatConnectionState.DISCONNECTED
+            state == ThermostatConnectionState.DISCONNECTED
         )
 
-        match result:
+        match state:
             case ThermostatConnectionState.CONNECTED:
                 self.connect_btn.setText("Disconnect")
                 self.status_lbl.setText(