diff --git a/usr.sbin/ppp/server.c b/usr.sbin/ppp/server.c
index 5203d7ce704d..d4ec6c4ebce1 100644
--- a/usr.sbin/ppp/server.c
+++ b/usr.sbin/ppp/server.c
@@ -102,6 +102,10 @@ server_Read(struct fdescriptor *d, struct bundle *bundle, const fd_set *fdset)
     wfd = accept(s->fd, sa, &ssize);
     if (wfd < 0)
       log_Printf(LogERROR, "server_Read: accept(): %s\n", strerror(errno));
+    else if (sa->sa_len == 0) {
+      close(wfd);
+      wfd = -1;
+    }
   } else
     wfd = -1;