diff --git a/network/netplay/netplay_discovery.c b/network/netplay/netplay_discovery.c
index b7aae680b4..8f9104251b 100644
--- a/network/netplay/netplay_discovery.c
+++ b/network/netplay/netplay_discovery.c
@@ -167,7 +167,7 @@ bool netplay_discovery_driver_ctl(enum rarch_netplay_discovery_ctl_state state,
 
             /* And send it off */
             ret = sendto(lan_ad_client_fd, (const char *) &ad_packet_buffer,
-               2*sizeof(uint32_t) + NETPLAY_HOST_STR_LEN, 0, addr->ai_addr, addr->ai_addrlen);
+               sizeof(struct ad_packet), 0, addr->ai_addr, addr->ai_addrlen);
             if (ret < (ssize_t) (2*sizeof(uint32_t)))
                RARCH_WARN("[discovery] Failed to send netplay discovery query (error: %d)\n", ret);
          }