diff --git a/factories/EventFactory.py b/factories/EventFactory.py
index 3c7809a..93b2b4b 100644
--- a/factories/EventFactory.py
+++ b/factories/EventFactory.py
@@ -84,7 +84,7 @@ class EventFactory:
 
     def createEnterUpperPlayfieldEvent(self):
         event = EnterUpperPlayfieldEvent(self.currentPlayer)
-        self.__registerEventToTarget(event, self.targets['Rising Ball'])
+        self.__registerEventToTarget(event, self.targets['Rising ball'])
         return event
 
     def createStartGameEvent(self):