diff --git a/src/chat/invite_link.h b/src/chat/invite_link.h
index 38309bef..9b74c3ea 100644
--- a/src/chat/invite_link.h
+++ b/src/chat/invite_link.h
@@ -17,7 +17,6 @@
 
 #define INVITE_PROTO_UDP        0x01
 #define INVITE_PROTO_TCP        0x02
-#define INVITE_PROTO_BOTH       0x03
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/transport_layer/etcp_connect.c b/src/transport_layer/etcp_connect.c
index 8ec685c0..81716419 100644
--- a/src/transport_layer/etcp_connect.c
+++ b/src/transport_layer/etcp_connect.c
@@ -79,11 +79,11 @@ static void connect_create_links_v4(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_
         memcpy(&sin.sin_addr.s_addr, a->addr, 4); sin.sin_port = htons(a->port);
         struct sockaddr_storage sa; memcpy(&sa, &sin, sizeof(sin));
         int addr_links = 0;
-        if (!(a->protocol & TOPO_PROTO_TCP)) {
+        if (a->protocol & TOPO_PROTO_UDP) {
             struct ETCP_SOCKET* s = ctx->instance->etcp_sockets;
             while (s) { if (s->local_addr.ss_family == AF_INET && etcp_link_new(ctx->conn, s, &sa, 0)) { link_count++; addr_links++; } s = s->next; }
         }
-        if ((a->protocol & TOPO_PROTO_TCP)) {
+        if (a->protocol & TOPO_PROTO_TCP) {
             struct ETCP_SOCKET* s = ctx->instance->etcp_sockets;
             while (s) { if (s->is_tcp && s->local_addr.ss_family == AF_INET) {
                 struct ETCP_LINK *tlink = etcp_link_new(ctx->conn, s, &sa, 0);
@@ -111,7 +111,7 @@ static void connect_create_links_v6(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_
         memcpy(&sin6.sin6_addr, a->addr, 16); sin6.sin6_port = htons(a->port);
         int is_ll = (a->addr[0] == 0xfe && (a->addr[1] & 0xc0) == 0x80);
         int addr_links = 0;
-        if (!(a->protocol & TOPO_PROTO_TCP)) {
+        if (a->protocol & TOPO_PROTO_UDP) {
             struct ETCP_SOCKET* s = ctx->instance->etcp_sockets;
             while (s) { if (s->local_addr.ss_family == AF_INET6) {
                 if (is_ll) sin6.sin6_scope_id = s->netif_index;
diff --git a/tools/chatgui/src/invite_link.h b/tools/chatgui/src/invite_link.h
index ea1c7b8c..64b0c03e 100644
--- a/tools/chatgui/src/invite_link.h
+++ b/tools/chatgui/src/invite_link.h
@@ -10,7 +10,6 @@
 
 #define INVITE_PROTO_UDP   0x01
 #define INVITE_PROTO_TCP   0x02
-#define INVITE_PROTO_BOTH  0x03
 
 struct InviteAddr {
     int        family;   // 4=IPv4, 6=IPv6
diff --git a/tools/chatgui/transport/utun_node.cpp b/tools/chatgui/transport/utun_node.cpp
index d294617a..45953866 100644
--- a/tools/chatgui/transport/utun_node.cpp
+++ b/tools/chatgui/transport/utun_node.cpp
@@ -234,13 +234,14 @@ QList<NodeAddr> UtunNode::getInviteAddresses(DbManager* db) {
             }
         }
 
-        /* 4) Merge: dedup by (addr,port), write result with merged proto */
+        /* 4) Dedup by (addr,port); emit one entry per proto (UDP и TCP раздельно, без BOTH) */
         for (auto it = addrProto.begin(); it != addrProto.end(); ++it) {
             QByteArray addr = it.key().first;
             quint16 port = it.key().second;
             uint8_t proto = it.value();
             int family = (addr.size() == 16) ? 6 : 4;
-            append_from_addr_proto(addr, port, family, 0, proto);
+            if (proto & INVITE_PROTO_UDP) append_from_addr_proto(addr, port, family, 0, INVITE_PROTO_UDP);
+            if (proto & INVITE_PROTO_TCP) append_from_addr_proto(addr, port, family, 0, INVITE_PROTO_TCP);
         }
     }