diff --git a/src/etcp_router.c b/src/etcp_router.c
index 6c6c7c44..91e0c244 100644
--- a/src/etcp_router.c
+++ b/src/etcp_router.c
@@ -557,7 +557,7 @@ void etcp_router_consumer_ack(struct UTUN_INSTANCE* inst, uint64_t remote_node_i
     struct ETCP_ROUTER_CONN* rconn = etcp_router_conn_get(inst, remote_node_id, svc_id);
     if (!rconn) return;
     rconn->consumer_ack = 1;
-    router_schedule_ack(rconn);
+    router_ack_do_send(rconn);
 }
 
 // ====================================================================