diff --git a/CryptoExchange.Net/Converters/DateTimeConverter.cs b/CryptoExchange.Net/Converters/DateTimeConverter.cs
index 4aa1f60..e3f2a1d 100644
--- a/CryptoExchange.Net/Converters/DateTimeConverter.cs
+++ b/CryptoExchange.Net/Converters/DateTimeConverter.cs
@@ -26,7 +26,12 @@ namespace CryptoExchange.Net.Converters
         public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
         {
             if (reader.Value == null)
+            {
+                if (objectType == typeof(DateTime))
+                    return default(DateTime);
+
                 return null;
+            }
 
             if(reader.TokenType is JsonToken.Integer)
             {
@@ -56,9 +61,6 @@ namespace CryptoExchange.Net.Converters
             else if(reader.TokenType is JsonToken.String)
             {
                 var stringValue = (string)reader.Value;
-                if (string.IsNullOrWhiteSpace(stringValue))
-                    return null;
-
                 if (string.IsNullOrWhiteSpace(stringValue)
                     || stringValue == "-1"
                     || (double.TryParse(stringValue, out var doubleVal) && doubleVal == 0))
diff --git a/CryptoExchange.Net/Converters/DecimalStringWriterConverter.cs b/CryptoExchange.Net/Converters/DecimalStringWriterConverter.cs
index ca646fb..4053372 100644
--- a/CryptoExchange.Net/Converters/DecimalStringWriterConverter.cs
+++ b/CryptoExchange.Net/Converters/DecimalStringWriterConverter.cs
@@ -2,7 +2,7 @@
 using System;
 using System.Globalization;
 
-namespace Kraken.Net.Converters
+namespace CryptoExchange.Net.Converters
 {
     /// <summary>
     /// Converter for serializing decimal values as string
@@ -14,7 +14,7 @@ namespace Kraken.Net.Converters
 
         /// <inheritdoc />
         public override bool CanConvert(Type objectType) => objectType == typeof(decimal) || objectType == typeof(decimal?);
-        
+
         /// <inheritdoc />
         public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
         {