diff --git a/racket/src/racket/src/network.c b/racket/src/racket/src/network.c
index 9a559fbeb0..63440e85cb 100644
--- a/racket/src/racket/src/network.c
+++ b/racket/src/racket/src/network.c
@@ -2129,7 +2129,7 @@ static Scheme_Object *udp_send_it(const char *name, int argc, Scheme_Object *arg
   } else {
     return do_udp_send_it(name, udp,
                           SCHEME_BYTE_STR_VAL(argv[3+delta]), start, end,
-                          dest_addr, 1, 
+                          dest_addr, with_addr,
                           can_block, 1);
   }
 }