From ee53dfe139bfc5f570261a6e702015653a8f16b9 Mon Sep 17 00:00:00 2001
From: Jkorf <jankorf91@gmail.com>
Date: Mon, 19 Oct 2026 08:39:39 +0200
Subject: [PATCH] Fixed subscription without any predefined routes failing to
 subscribe

---
 CryptoExchange.Net/Sockets/Default/SocketConnection.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CryptoExchange.Net/Sockets/Default/SocketConnection.cs b/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
index 956aa81a..6dcd3c0a 100644
--- a/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
+++ b/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
@@ -1083,6 +1083,10 @@ namespace CryptoExchange.Net.Sockets.Default
         /// </summary>
         protected bool IsCoveredByEarlierSubscription(Subscription subscription)
         {
+            if (subscription.MessageRouter.Routes.Length == 0)
+                // Can be subscription which only knows what to listen to after receiving the subscribe response, for example Bitfinex
+                return false;
+
             foreach (var other in _listeners.OfType<Subscription>())
             {
                 if (other == subscription)