diff --git a/game_base_class.py b/game_base_class.py
index 6f11433..f77e837 100644
--- a/game_base_class.py
+++ b/game_base_class.py
@@ -85,7 +85,7 @@ class GameBase:
         return breaks
 
     def check_breaks(self, start_time, breaks):
-        if int(elf.stop_time) == 0:
+        if int(self.stop_time) == 0:
             return
         if (time() - start_time) > float(self.stop_time) * 60 * 60:
             self.overlay.run_mode = 'stopped'