diff --git a/PlayerState.py b/PlayerState.py
index 914f974..ffe482c 100644
--- a/PlayerState.py
+++ b/PlayerState.py
@@ -322,7 +322,7 @@ class PlayerState:
     def updatePlayfieldTime(self):
         if self.upperPlayfieldTime == 0:
             self.upperPlayfieldTimer = None
-            LeaveUpperPlayfieldEvent(self)
+            LeaveUpperPlayfieldEvent(self).trigger(None)
             logging.info("Stopped Upper Playfield Timer")
             return