diff --git a/CryptoExchange.Net/ExtensionMethods.cs b/CryptoExchange.Net/ExtensionMethods.cs
index 8037ede..f5600e1 100644
--- a/CryptoExchange.Net/ExtensionMethods.cs
+++ b/CryptoExchange.Net/ExtensionMethods.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
@@ -491,7 +490,6 @@ namespace CryptoExchange.Net
 
             return ub.Uri;
         }
-
     }
 }
 
diff --git a/CryptoExchange.Net/Sockets/CryptoExchangeWebSocketClient.cs b/CryptoExchange.Net/Sockets/CryptoExchangeWebSocketClient.cs
index 2da863d..9371231 100644
--- a/CryptoExchange.Net/Sockets/CryptoExchangeWebSocketClient.cs
+++ b/CryptoExchange.Net/Sockets/CryptoExchangeWebSocketClient.cs
@@ -212,7 +212,13 @@ namespace CryptoExchange.Net.Sockets
         /// <inheritdoc />
         public virtual void SetProxy(ApiProxy proxy)
         {
-            _socket.Options.Proxy = new WebProxy(proxy.Host, proxy.Port);
+            Uri.TryCreate($"{proxy.Host}:{proxy.Port}", UriKind.Absolute, out var uri);
+            _socket.Options.Proxy = uri?.Scheme == null
+                ? _socket.Options.Proxy = new WebProxy(proxy.Host, proxy.Port)
+                : _socket.Options.Proxy = new WebProxy
+                {
+                    Address = uri
+                };
             if (proxy.Login != null)
                 _socket.Options.Proxy.Credentials = new NetworkCredential(proxy.Login, proxy.Password);
         }