diff --git a/eventlet/tpool.py b/eventlet/tpool.py
index 552f312..e7f0db1 100644
--- a/eventlet/tpool.py
+++ b/eventlet/tpool.py
@@ -257,11 +257,12 @@ def setup():
         _setup_already = True
 
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    sock.bind(('', 0))
+    sock.bind(('127.0.0.1', 0))
     sock.listen(1)
     csock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     csock.connect(sock.getsockname())
     _wsock, _addr = sock.accept()
+    sock.close()
     _rsock = greenio.GreenSocket(csock)
 
     _reqq = Queue(maxsize=-1)