diff --git a/gunicorn/arbiter.py b/gunicorn/arbiter.py
index 802abda8..611a55e4 100644
--- a/gunicorn/arbiter.py
+++ b/gunicorn/arbiter.py
@@ -87,7 +87,8 @@ class Arbiter(object):
         self.log = self.cfg.logger_class(app.cfg)
 
         # reopen files
-        self.log.reopen_files()
+        if 'GUNICORN_FD' in os.environ:
+            self.log.reopen_files()
 
         self.address = self.cfg.address
         self.num_workers = self.cfg.workers
@@ -353,6 +354,9 @@ class Arbiter(object):
         self.app.reload()
         self.setup(self.app)
 
+        # reopen log files
+        self.log.reopen_files()
+
         # do we need to change listener ?
         if old_address != self.cfg.address:
             self.LISTENER.close()