diff --git a/nmap_dns.cc b/nmap_dns.cc
index 51e264f14..469689d6e 100644
--- a/nmap_dns.cc
+++ b/nmap_dns.cc
@@ -525,11 +525,12 @@ static void put_dns_packet_on_wire(request *req) {
 
   struct timeval now, timeout;
 
-  plen = DNS::Factory::buildReverseRequest(*req->targ->TargetSockAddr(), packet, maxlen);
-
+  req->id = DNS::Factory::progressiveId;
   req->curr_server->write_busy = 1;
   req->curr_server->reqs_on_wire++;
 
+  plen = DNS::Factory::buildReverseRequest(*req->targ->TargetSockAddr(), packet, maxlen);
+
   memcpy(&now, nsock_gettimeofday(), sizeof(struct timeval));
   TIMEVAL_MSEC_ADD(timeout, now, read_timeouts[read_timeout_index][req->tries]);
   memcpy(&req->timeout, &timeout, sizeof(struct timeval));
@@ -1118,7 +1119,6 @@ static void nmap_mass_rdns_core(Target **targets, int num_targets) {
     tpreq->targ = *hostI;
     tpreq->tries = 0;
     tpreq->servers_tried = 0;
-    tpreq->id = DNS::Factory::progressiveId;
 
     new_reqs.push_back(tpreq);