diff --git a/python3/Lib/lib2to3/pgen2/conv.py b/python3/Lib/lib2to3/pgen2/conv.py

index ed0cac532..a258af104 100644

--- a/python3/Lib/lib2to3/pgen2/conv.py

+++ b/python3/Lib/lib2to3/pgen2/conv.py

@@ -30,7 +30,7 @@ without having to invoke the Python pgen C program.

 import re

 # Local imports

-from pgen2 import grammar, token

+from ..pgen2 import grammar, token

 class Converter(grammar.Grammar):