diff --git a/pytec/pytec/gui/view/thermostat_ctrl_menu.py b/pytec/pytec/gui/view/thermostat_ctrl_menu.py
index 2278eef..2e2302a 100644
--- a/pytec/pytec/gui/view/thermostat_ctrl_menu.py
+++ b/pytec/pytec/gui/view/thermostat_ctrl_menu.py
@@ -151,8 +151,8 @@ class ThermostatCtrlMenu(QtWidgets.QMenu):
     @pyqtSlot(ThermostatConnectionState)
     def thermostat_state_change_handler(self, state):
         if state == ThermostatConnectionState.DISCONNECTED:
-            self.thermostat_ctrl_menu.fan_pwm_warning.setPixmap(QtGui.QPixmap())
-            self.thermostat_ctrl_menu.fan_pwm_warning.setToolTip("")
+            self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
+            self.fan_pwm_warning.setToolTip("")
 
     @pyqtSlot("QVariantMap")
     def hw_rev(self, hw_rev):