diff --git a/setup.py b/setup.py
index d3bdeb1..fbc2fe0 100644
--- a/setup.py
+++ b/setup.py
@@ -195,7 +195,7 @@ setup(
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',
-        'Operating System :: MacOS :: OS X',
+        'Operating System :: MacOS',
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX :: Linux',
         'Programming Language :: Python :: 2.7',