diff --git a/setup.py b/setup.py
index 5b4b8f7e3e1..46abf3d04dd 100644
--- a/setup.py
+++ b/setup.py
@@ -244,7 +244,7 @@ def parse_version(s):
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2 :: Only'
+        'Programming Language :: Python :: 2 :: Only',
         'Programming Language :: Python :: 2.7',
     ],
 )