diff --git a/runtime/Python3/src/antlr4/PredictionContext.py b/runtime/Python3/src/antlr4/PredictionContext.py
index e3736ad2e..7cbb7e49e 100644
--- a/runtime/Python3/src/antlr4/PredictionContext.py
+++ b/runtime/Python3/src/antlr4/PredictionContext.py
@@ -158,7 +158,7 @@ class SingletonPredictionContext(PredictionContext):
 class EmptyPredictionContext(SingletonPredictionContext):
 
     def __init__(self):
-        super().__init__(None, self.EMPTY_RETURN_STATE)
+        super().__init__(None, PredictionContext.EMPTY_RETURN_STATE)
 
     def isEmpty(self):
         return True