diff --git a/tools/generate_zip.py b/tools/generate_zip.py
index 957a0aa..4f256d5 100755
--- a/tools/generate_zip.py
+++ b/tools/generate_zip.py
@@ -18,7 +18,7 @@
         for lang in langs:
             for f in (Path('..') / 'document_{}'.format(lang)).glob('*.html'):
                 zipf.write(f, 'document_{}/'.format(lang) + f.name)
-            for f in (Path('..') / 'document_{}/lib'.format(lang)).glob('**/*'):
+            for f in (Path('..') / 'document_{}/lib'.format(lang)).glob('*'):
                 zipf.write(f, 'document_{}/lib/'.format(lang) + f.name)
             for f in (Path('..') / 'document_{}/lib/fonts'.format(lang)).glob('**/*'):
                 zipf.write(f, 'document_{}/lib/fonts/'.format(lang) + f.name)