diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index a520cba..1d87637 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -141,7 +141,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
                 await self.tec_client.connect(host=ip, port=port, timeout=30)
                 self._on_connection_changed(True)
                 self._hw_rev(await self.tec_client.hw_rev())
-                # self.fan_update(await self.tec_client.fan())
+                self.fan_update(await self.tec_client.fan())
 
                 self.client_watcher = ClientWatcher(self.main_widget, self.tec_client, self.report_refresh_spin.value())
                 self.client_watcher.fan_update.connect(self.fan_update)