diff --git a/git_cache.py b/git_cache.py
index 255ed3a9b..a55f48ff8 100755
--- a/git_cache.py
+++ b/git_cache.py
@@ -252,7 +252,7 @@ class Mirror(object):
       python_fallback = True
 
     gs_folder = 'gs://%s/%s' % (self.bootstrap_bucket, self.basedir)
-    gsutil = Gsutil(self.gsutil_exe, bypass_prodaccess=True)
+    gsutil = Gsutil(self.gsutil_exe, boto_path=None, bypass_prodaccess=True)
     # Get the most recent version of the zipfile.
     _, ls_out, _ = gsutil.check_call('ls', gs_folder)
     ls_out_sorted = sorted(ls_out.splitlines())