diff --git a/Doc/library/socketserver.rst b/Doc/library/socketserver.rst
index d2bbba4..2ed4935 100644
--- a/Doc/library/socketserver.rst
+++ b/Doc/library/socketserver.rst
@@ -464,7 +464,7 @@
    import socket
    import sys
 
-   HOST, PORT = "localhost"
+   HOST, PORT = "localhost", 9999
    data = " ".join(sys.argv[1:])
 
    # SOCK_DGRAM is the socket type to use for UDP sockets