diff --git a/PlayerState.py b/PlayerState.py
index 691b806..ccfc9c7 100644
--- a/PlayerState.py
+++ b/PlayerState.py
@@ -74,8 +74,8 @@ class PlayerState:
         self.timeAdvanceLeftTimer = time.Timer(activationTime, self.timeAdvanceLeft)
 
     def timeAdvanceLeft(self):
-        choiceList = [True] * (config.BONUS_TIME_ACTIVATION_PROBABILITY * 100) \
-                     + [False] * ((1 - config.BONUS_TIME_ACTIVATION_PROBABILITY) * 100)
+        choiceList = [True] * int(config.BONUS_TIME_ACTIVATION_PROBABILITY * 100) \
+                     + [False] * int((1 - config.BONUS_TIME_ACTIVATION_PROBABILITY) * 100)
 
         if random.choice(choiceList):
             self.enableAdvanceTimeRight()