diff --git a/src/ntp_node_time.c b/src/ntp_node_time.c
index e22f30b7..771562f7 100644
--- a/src/ntp_node_time.c
+++ b/src/ntp_node_time.c
@@ -5,6 +5,7 @@
 #include "../lib/mem.h"
 #include "etcp_api.h"
 #include "etcp.h"
+#include "etcp_connections.h"
 #include <string.h>
 #include <stdlib.h>
 #include <sys/time.h>
@@ -148,7 +149,9 @@ static void ntp_node_recv_cb(struct ETCP_CONN* conn, struct ll_entry* entry) {
     int was_unsynced = !ntp_time_is_synced(inst);
 
     if (was_unsynced && sender_synced) {
-        inst->ntp.offset_us    = t4 - msg->t_sender_us;
+        int64_t rtt_us = 0, n = 0;
+        for (struct ETCP_LINK* l = conn->links; l; l = l->next) { rtt_us += l->rtt_last * 100LL; n++; }
+        inst->ntp.offset_us = t4 - msg->t_sender_us - (n ? rtt_us / n / 2 : 0);
         inst->ntp.synced       = 1;
         inst->ntp.last_sync_tb = get_time_tb();