diff --git a/setup.py b/setup.py
index 9c6c929..e0144a0 100644
--- a/setup.py
+++ b/setup.py
@@ -84,8 +84,7 @@ def text(*args, **kwargs):
     author_email='gary@zope.com',
     description=text("README.txt"),
     long_description=text('src/zc/relation/README.txt',
-                          'src/zc/relation/CHANGES.txt',
-                          out=True),
+                          'src/zc/relation/CHANGES.txt'),
     license='ZPL 2.1',
     keywords="zope zope3",
     install_requires=[