diff --git a/src/etcp_connections.c b/src/etcp_connections.c
index d61313c..2910332 100644
--- a/src/etcp_connections.c
+++ b/src/etcp_connections.c
@@ -755,7 +755,7 @@ static void link_stats_timer_cb(void* arg) {
     link->stat_win[link->win_ptr].pkt_loss      = (uint16_t)link->window_retransmissions;
     link->stat_win[link->win_ptr].pkt_transmitted = link->window_pkt_transmitted;
 
-    swm_add(link->rtt_avg10, link->rtt_avg10);
+    swm_add(link->rtt_swm, link->rtt_avg10);
     link->rtt_min=swm_get_min(link->rtt_swm);
 
 // пересчитываем BW