diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 55d417c..fa7241f 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -496,6 +496,9 @@
                 input_api,
                 output_api,
                 full_path,
-                files_to_check=[r'^PRESUBMIT_test\.py$']))
+                files_to_check=[r'^PRESUBMIT_test\.py$'],
+                run_on_python2=not USE_PYTHON3,
+                run_on_python3=USE_PYTHON3,
+                skip_shebang_check=True))
 
   return results