diff --git a/Binance.Net/Clients/CoinFuturesApi/BinanceRestClientCoinFuturesApi.cs b/Binance.Net/Clients/CoinFuturesApi/BinanceRestClientCoinFuturesApi.cs
index cd03f14eb..a2c132178 100644
--- a/Binance.Net/Clients/CoinFuturesApi/BinanceRestClientCoinFuturesApi.cs
+++ b/Binance.Net/Clients/CoinFuturesApi/BinanceRestClientCoinFuturesApi.cs
@@ -71,7 +71,7 @@ internal BinanceRestClientCoinFuturesApi(ILogger logger, HttpClient? httpClient,
             requestBodyFormat = RequestBodyFormat.FormData;
             arraySerialization = ArrayParametersSerialization.MultipleValues;
 
-            _brokerId = !string.IsNullOrEmpty(options.CoinFuturesOptions.BrokerId) ? options.CoinFuturesOptions.BrokerId : "x-d63tKbx3";
+            _brokerId = !string.IsNullOrEmpty(options.CoinFuturesOptions.BrokerId) ? options.CoinFuturesOptions.BrokerId! : "x-d63tKbx3";
         }
         #endregion
 
diff --git a/Binance.Net/Clients/SpotApi/BinanceRestClientSpotApi.cs b/Binance.Net/Clients/SpotApi/BinanceRestClientSpotApi.cs
index 7a537221f..a1b19ba59 100644
--- a/Binance.Net/Clients/SpotApi/BinanceRestClientSpotApi.cs
+++ b/Binance.Net/Clients/SpotApi/BinanceRestClientSpotApi.cs
@@ -73,7 +73,7 @@ internal BinanceRestClientSpotApi(ILogger logger, HttpClient? httpClient, Binanc
             requestBodyFormat = RequestBodyFormat.FormData;
             arraySerialization = ArrayParametersSerialization.MultipleValues;
 
-            _brokerId = !string.IsNullOrEmpty(options.SpotOptions.BrokerId) ? options.SpotOptions.BrokerId : "x-VICEW9VV";
+            _brokerId = !string.IsNullOrEmpty(options.SpotOptions.BrokerId) ? options.SpotOptions.BrokerId! : "x-VICEW9VV";
         }
         #endregion
 
diff --git a/Binance.Net/Clients/SpotApi/BinanceSocketClientSpotApi.cs b/Binance.Net/Clients/SpotApi/BinanceSocketClientSpotApi.cs
index 39e8edb40..ca5afb466 100644
--- a/Binance.Net/Clients/SpotApi/BinanceSocketClientSpotApi.cs
+++ b/Binance.Net/Clients/SpotApi/BinanceSocketClientSpotApi.cs
@@ -53,7 +53,7 @@ internal BinanceSocketClientSpotApi(ILogger logger, BinanceSocketOptions options
             ExchangeData = new BinanceSocketClientSpotApiExchangeData(logger, this);
             Trading = new BinanceSocketClientSpotApiTrading(logger, this);
 
-            _brokerId = !string.IsNullOrEmpty(options.SpotOptions.BrokerId) ? options.SpotOptions.BrokerId : "x-VICEW9VV";
+            _brokerId = !string.IsNullOrEmpty(options.SpotOptions.BrokerId) ? options.SpotOptions.BrokerId! : "x-VICEW9VV";
         }
         #endregion
 
diff --git a/Binance.Net/Clients/UsdFuturesApi/BinanceRestClientUsdFuturesApi.cs b/Binance.Net/Clients/UsdFuturesApi/BinanceRestClientUsdFuturesApi.cs
index 9644cbd8e..5b6147b06 100644
--- a/Binance.Net/Clients/UsdFuturesApi/BinanceRestClientUsdFuturesApi.cs
+++ b/Binance.Net/Clients/UsdFuturesApi/BinanceRestClientUsdFuturesApi.cs
@@ -68,7 +68,7 @@ internal BinanceRestClientUsdFuturesApi(ILogger logger, HttpClient? httpClient,
             requestBodyEmptyContent = "";
             requestBodyFormat = RequestBodyFormat.FormData;
             arraySerialization = ArrayParametersSerialization.MultipleValues;
-            _brokerId = !string.IsNullOrEmpty(options.UsdFuturesOptions.BrokerId) ? options.UsdFuturesOptions.BrokerId : "x-d63tKbx3";
+            _brokerId = !string.IsNullOrEmpty(options.UsdFuturesOptions.BrokerId) ? options.UsdFuturesOptions.BrokerId! : "x-d63tKbx3";
         }
 
         event Action<CryptoExchange.Net.CommonObjects.OrderId> IBaseRestClient.OnOrderPlaced