diff --git a/setup.py b/setup.py
index 8f0a40b..90fae6a 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
           'Natural Language :: English',
           'Operating System :: OS Independent',
           'Topic :: Internet :: WWW/HTTP',
-          'Framework :: Zope3',
+          'Framework :: Zope :: 3',
           'Programming Language :: Python',
           'Programming Language :: Python :: 2',
           'Programming Language :: Python :: 2.7',