diff --git a/pytec/pytec/gui/model/thermostat.py b/pytec/pytec/gui/model/thermostat.py
index 9566a0b..ce6b69a 100644
--- a/pytec/pytec/gui/model/thermostat.py
+++ b/pytec/pytec/gui/model/thermostat.py
@@ -77,8 +77,7 @@ class Thermostat(QObject, metaclass=PropertyMeta):
     def start_watching(self):
         self._watch_task = asyncio.create_task(self.run())
 
-    @asyncSlot()
-    async def stop_watching(self):
+    def stop_watching(self):
         if self._watch_task is not None:
             self._watch_task.cancel()
             self._watch_task = None