diff --git a/py/execnet/script/socketserver.py b/py/execnet/script/socketserver.py
index 289523292..b886a31f4 100755
--- a/py/execnet/script/socketserver.py
+++ b/py/execnet/script/socketserver.py
@@ -53,8 +53,8 @@ def bind_and_listen(hostport):
         old = fcntl.fcntl(serversock.fileno(), fcntl.F_GETFD)
         fcntl.fcntl(serversock.fileno(), fcntl.F_SETFD, old | fcntl.FD_CLOEXEC)
     # allow the address to be re-used in a reasonable amount of time
-    #if os.name == 'posix' and sys.platform != 'cygwin':
-    serversock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    if os.name == 'posix' and sys.platform != 'cygwin':
+        serversock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         
     serversock.bind(hostport)
     serversock.listen(5)