diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index ab694c1..a044b81 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -151,7 +151,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             return
         with QSignalBlocker(self.fan_power_slider):
             self.fan_power_slider.setValue(fan_settings["fan_pwm"] or 100) # 0 = PWM off = full strength
-            self.fan_power_slider.setEnabled(not fan_settings["auto_mode"])
         with QSignalBlocker(self.fan_auto_box):
             self.fan_auto_box.setChecked(fan_settings["auto_mode"])
         if not self.fan_pwm_recommended:
@@ -159,8 +158,11 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
 
     @asyncSlot(int)
     async def fan_set(self, value):
-        if not self.tec_client.is_connected() or self.fan_auto_box.isChecked():
+        if not self.tec_client.is_connected():
             return
+        if self.fan_auto_box.isChecked():
+            with QSignalBlocker(self.fan_auto_box):
+                self.fan_auto_box.setChecked(False)
         await self.tec_client.set_param("fan", value)
         if not self.fan_pwm_recommended:
             self._set_fan_pwm_warning()
@@ -169,7 +171,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
     async def fan_auto_set(self, enabled):
         if not self.tec_client.is_connected():
             return
-        self.fan_power_slider.setEnabled(not enabled)
         if enabled:
             await self.tec_client.set_param("fan", "auto")
             self.fan_update(await self.tec_client.fan())