diff --git a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetClosedOrdersOptions.cs b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetClosedOrdersOptions.cs
index d273f1a..1727806 100644
--- a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetClosedOrdersOptions.cs
+++ b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetClosedOrdersOptions.cs
@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.SharedApis
         /// <inheritdoc />
         public override Error? ValidateRequest(string exchange, GetClosedOrdersRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
         {
-            if (TimeFilterSupported && request.StartTime != null)
+            if (!TimeFilterSupported && request.StartTime != null)
                 return ArgumentError.Invalid(nameof(GetClosedOrdersRequest.StartTime), $"Time filter is not supported");
 
             return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);
diff --git a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetDepositsOptions.cs b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetDepositsOptions.cs
index 873f144..fee678b 100644
--- a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetDepositsOptions.cs
+++ b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetDepositsOptions.cs
@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.SharedApis
         /// <inheritdoc />
         public override Error? ValidateRequest(string exchange, GetDepositsRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
         {
-            if (TimeFilterSupported && request.StartTime != null)
+            if (!TimeFilterSupported && request.StartTime != null)
                 return ArgumentError.Invalid(nameof(GetDepositsRequest.StartTime), $"Time filter is not supported");
 
             return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);
diff --git a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetWithdrawalsOptions.cs b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetWithdrawalsOptions.cs
index f6f3c7c..0157237 100644
--- a/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetWithdrawalsOptions.cs
+++ b/CryptoExchange.Net/SharedApis/Models/Options/Endpoints/GetWithdrawalsOptions.cs
@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.SharedApis
         /// <inheritdoc />
         public override Error? ValidateRequest(string exchange, GetWithdrawalsRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
         {
-            if (TimeFilterSupported && request.StartTime != null)
+            if (!TimeFilterSupported && request.StartTime != null)
                 return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.StartTime), $"Time filter is not supported");
 
             return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);