diff --git a/custom_components/robovac/tuyalocalapi.py b/custom_components/robovac/tuyalocalapi.py
index 55c7abb..ce104f5 100644
--- a/custom_components/robovac/tuyalocalapi.py
+++ b/custom_components/robovac/tuyalocalapi.py
@@ -721,7 +721,7 @@ async def async_connect(self):
         self._connected = True
 
         if self._ping_task is None:
-            self.ping_task = asyncio.create_task(self.async_ping(self.ping_interval))
+            self._ping_task = asyncio.create_task(self.async_ping(self.ping_interval))
 
         asyncio.create_task(self._async_handle_message())
 
@@ -780,7 +780,7 @@ async def async_ping(self, ping_interval):
             self._queue.append(message)
 
         await asyncio.sleep(ping_interval)
-        self.ping_task = asyncio.create_task(self.async_ping(self.ping_interval))
+        self._ping_task = asyncio.create_task(self.async_ping(self.ping_interval))
         if self.last_pong < self.last_ping:
             await self.async_disconnect()