From bb1cd89f09192b535a190c3ace8e69948f16a4d3 Mon Sep 17 00:00:00 2001
From: Matt Johnson <mj1856@hotmail.com>
Date: Sat, 5 Apr 2014 20:16:53 -0400
Subject: [PATCH] Fix invalid cast with DateTimeOffset

This occurred when using DateParseHandling.DateTimeOffset
---
 Src/Newtonsoft.Json/Converters/IsoDateTimeConverter.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Src/Newtonsoft.Json/Converters/IsoDateTimeConverter.cs b/Src/Newtonsoft.Json/Converters/IsoDateTimeConverter.cs
index 0f90b870..fd562b69 100644
--- a/Src/Newtonsoft.Json/Converters/IsoDateTimeConverter.cs
+++ b/Src/Newtonsoft.Json/Converters/IsoDateTimeConverter.cs
@@ -136,7 +136,7 @@ namespace Newtonsoft.Json.Converters
             {
 #if !NET20
                 if (t == typeof(DateTimeOffset))
-                    return new DateTimeOffset((DateTime)reader.Value);
+                    return reader.Value is DateTimeOffset ? reader.Value : new DateTimeOffset((DateTime)reader.Value);
 #endif
 
                 return reader.Value;