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):