diff --git a/mpf/_version.py b/mpf/_version.py
index 039a6a612..4e4186f91 100644
--- a/mpf/_version.py
+++ b/mpf/_version.py
@@ -10,7 +10,7 @@
 
 """
 
-__version__ = '0.57.0.dev28'  # Also consider whether MPF-MC pyproject.toml should be updated
+__version__ = '0.57.0.dev29'  # Also consider whether MPF-MC pyproject.toml should be updated
 '''The full version of MPF.'''
 
 __short_version__ = '0.57'
diff --git a/mpf/platforms/pkone/pkone.py b/mpf/platforms/pkone/pkone.py
index 1a8490226..c7f74746c 100644
--- a/mpf/platforms/pkone/pkone.py
+++ b/mpf/platforms/pkone/pkone.py
@@ -101,7 +101,7 @@ async def start(self):
             self.controller_connection.send('PWS{:04d}'.format(self.config['watchdog']))
 
             # Schedule the watchdog task to send at half the configured interval
-            self._update_watchdog = self.machine.clock.schedule_interval(self._watchdog_task,
+            self._watchdog_task = self.machine.clock.schedule_interval(self._update_watchdog,
                                                                        self.config['watchdog'] / 2000)
 
         for connection in self.serial_connections: