diff --git a/GameState.py b/GameState.py
index a92999e..274c28a 100644
--- a/GameState.py
+++ b/GameState.py
@@ -78,11 +78,11 @@ class GameState:
             for lamps in all_cabinet_lamps:
                 for lamp in lamps.lamps:
                     lamp.activate()
-                    if self.isIdle.is_set():
+                    if not self.isIdle:
                         return
                     time.sleep(0.1)
             self.deactivate_all()
-            if self.isIdle.is_set():
+            if not self.isIdle:
                 return
 
     def createPlayers(self, playerCount):