diff --git a/gunicorn/util.py b/gunicorn/util.py
index 42f8b8a4..22a3f4e8 100644
--- a/gunicorn/util.py
+++ b/gunicorn/util.py
@@ -414,7 +414,7 @@ def daemonize(enable_stdio_inheritance=False):
         if os.fork():
             os._exit(0)
 
-        os.umask(0)
+        os.umask(0o22)
 
         # In both the following any file descriptors above stdin
         # stdout and stderr are left untouched. The inheritence