diff --git a/build/zip.py b/build/zip.py
index 1c5eb9bfd9..5e72d87f60 100644
--- a/build/zip.py
+++ b/build/zip.py
@@ -52,7 +52,7 @@ def main(argv):
   if sys.platform == 'darwin':
     execute(['zip', '-r', '-y', dist_zip] + list(dist_files))
   else:
-    with zipfile.ZipFile(dist_zip, 'w', zipfile.ZIP_DEFLATED) as z:
+    with zipfile.ZipFile(dist_zip, 'w', zipfile.ZIP_DEFLATED, True) as z:
       for dep in dist_files:
         if skip_path(dep, dist_zip, target_cpu):
           continue