diff --git a/HTX.Net/Clients/MessageHandlers/HTXSocketUsdtFuturesMessageHandler.cs b/HTX.Net/Clients/MessageHandlers/HTXSocketUsdtFuturesMessageHandler.cs
index 343ca69b..2e829f4c 100644
--- a/HTX.Net/Clients/MessageHandlers/HTXSocketUsdtFuturesMessageHandler.cs
+++ b/HTX.Net/Clients/MessageHandlers/HTXSocketUsdtFuturesMessageHandler.cs
@@ -26,6 +26,7 @@ internal class HTXSocketUsdtFuturesMessageHandler : JsonSocketMessageHandler
             { "accounts_cross.", "accounts_cross" },
             { "orders_cross.", "orders_cross" },
             { "positions_cross.", "positions_cross" },
+            { "matchOrders.", "matchOrders" }
         };
 
         public override JsonSerializerOptions Options { get; } = SerializerOptions.WithConverters(HTXExchange._serializerContext);
diff --git a/HTX.Net/Objects/Models/Socket/HTXUsdtMarginSwapIsolatedTradeUpdate.cs b/HTX.Net/Objects/Models/Socket/HTXUsdtMarginSwapIsolatedTradeUpdate.cs
index cef16e1e..9cbdfd52 100644
--- a/HTX.Net/Objects/Models/Socket/HTXUsdtMarginSwapIsolatedTradeUpdate.cs
+++ b/HTX.Net/Objects/Models/Socket/HTXUsdtMarginSwapIsolatedTradeUpdate.cs
@@ -43,7 +43,7 @@ public record HTXUsdtMarginSwapIsolatedTradeUpdate : HTXOpMessage
         /// Client order id
         /// </summary>
         [JsonPropertyName("client_order_id")]
-        public string? ClientOrderId { get; set; }
+        public long? ClientOrderId { get; set; }
         /// <summary>
         /// Order type
         /// </summary>