diff --git a/Json-Rpc/JsonRpcProcessor.cs b/Json-Rpc/JsonRpcProcessor.cs
index 8915b8d..5020e88 100644
--- a/Json-Rpc/JsonRpcProcessor.cs
+++ b/Json-Rpc/JsonRpcProcessor.cs
@@ -138,11 +138,11 @@ public static string ProcessSync(string sessionId, string jsonRpc, object jsonRp
                     }
                     if (jsonResponse.Error != null)
                     {
-                        writer.WritePropertyName("error"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Error));
+                        writer.WritePropertyName("error"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Error, settings));
                     }
                     else
                     {
-                        writer.WritePropertyName("result"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Result));
+                        writer.WritePropertyName("result"); writer.WriteRawValue(JsonConvert.SerializeObject(jsonResponse.Result, settings));
                     }
                     writer.WritePropertyName("id"); writer.WriteValue(jsonResponse.Id);
                     writer.WriteEndObject();