diff --git a/libowlps-client/libowlps-client.c b/libowlps-client/libowlps-client.c
index 7eabf67..6def3f0 100644
--- a/libowlps-client/libowlps-client.c
+++ b/libowlps-client/libowlps-client.c
@@ -98,11 +98,14 @@ void owl_send_request(const int sockfd,
   owl_send_packet(sockfd, server, packet, packet_size) ;
 
   // Transmit remaining packets (if any):
-  for (i = 0 ; i < nb_pkt - 1 ; ++i)
+  for (i = 1 ; i < nb_pkt ; ++i)
     {
+      uint16_t current_pkt = htons(i + 1) ;
       owl_msleep(delay) ; // Wait during the wanted delay
       if (! owl_run)
         break ;
+      memcpy(&((char*) packet)[packet_size - sizeof(uint16_t)],
+             &current_pkt, sizeof(uint16_t)) ;
       owl_send_packet(sockfd, server, packet, packet_size) ;
     }