diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py
index 94248ffd943..d33dd049d63 100644
--- a/Tools/peg_generator/pegen/build.py
+++ b/Tools/peg_generator/pegen/build.py
@@ -15,7 +15,7 @@
 from pegen.python_generator import PythonParserGenerator
 from pegen.tokenizer import Tokenizer
 
-MOD_DIR = pathlib.Path(__file__).parent
+MOD_DIR = pathlib.Path(__file__).resolve().parent
 
 
 def get_extra_flags(compiler_flags: str, compiler_py_flags_nodist: str) -> List[str]:
diff --git a/Tools/peg_generator/scripts/benchmark.py b/Tools/peg_generator/scripts/benchmark.py
index bc751156e89..6b4287cd8ce 100644
--- a/Tools/peg_generator/scripts/benchmark.py
+++ b/Tools/peg_generator/scripts/benchmark.py
@@ -11,7 +11,7 @@
 
 sys.path.insert(0, os.getcwd())
 from peg_extension import parse
-from pegen.build import build_parser_and_generator
+from pegen.build import build_c_parser_and_generator
 from scripts.test_parse_directory import parse_directory
 
 argparser = argparse.ArgumentParser(
@@ -93,8 +93,9 @@ def run_benchmark_stdlib(subcommand, parser):
     modes = {"compile": 2, "parse": 1, "check": 0}
     extension = None
     if parser == "pegen":
-        extension = build_parser_and_generator(
+        extension = build_c_parser_and_generator(
             "../../Grammar/python.gram",
+            "../../Grammar/Tokens",
             "peg_extension/parse.c",
             compile_extension=True,
             skip_actions=False,