diff --git a/src/tcp_proxy.c b/src/tcp_proxy.c
index 26b73483..84d96257 100644
--- a/src/tcp_proxy.c
+++ b/src/tcp_proxy.c
@@ -157,7 +157,7 @@ static int tcp_proxy_handle_non_tcp(struct tcp_proxy* p, uint8_t* buf, size_t le
 // Помощник: передача данных из очереди to_lwip в lwIP TCP
 // ====================================================================
 static void proxy_feed_from_transport(struct proxy_conn *pc) {
-    if (!pc->to_lwip || !pc->pcb) return;
+    if (!pc->to_lwip || !pc->pcb || pc->tun_closed) return;
     int sent_any = 0;
     uint32_t q_pre = queue_entry_count(pc->to_lwip);
     while (1) {
@@ -410,7 +410,7 @@ static void handle_data(struct tcp_proxy* p, struct ETCP_CONN* conn, uint32_t st
         if (conn) proxy_send_msg(p->inst, conn->peer_node_id, TCP_PROXY_SUBCMD_CLOSE, stream_id, NULL, 0);
         queue_dgram_free(entry); queue_entry_free(entry); return;
     }
-    if (pc->rem_closed || pc->error) { queue_dgram_free(entry); queue_entry_free(entry); return; }
+    if (pc->rem_closed || pc->error || pc->tun_closed) { queue_dgram_free(entry); queue_entry_free(entry); return; }
     size_t data_len = entry->len - TCP_PROXY_HDR_SIZE;
     DEBUG_INFO(DEBUG_CATEGORY_TRAFFIC, "PROXY DATA <- sid=%08x len=%zu", stream_id, data_len);
     if (data_len > 0) {