From d78fa85307f59a3f4ffe490c00aaa53159fb40d5 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Thu, 10 May 2018 22:40:32 +1000
Subject: [PATCH] null check fix

---
 .../PublishedCache/NuCache/Navigable/NavigableContent.cs         | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Umbraco.Web/PublishedCache/NuCache/Navigable/NavigableContent.cs b/src/Umbraco.Web/PublishedCache/NuCache/Navigable/NavigableContent.cs
index 2fe7a26d45..ae34d0cb32 100644
--- a/src/Umbraco.Web/PublishedCache/NuCache/Navigable/NavigableContent.cs
+++ b/src/Umbraco.Web/PublishedCache/NuCache/Navigable/NavigableContent.cs
@@ -35,6 +35,7 @@ namespace Umbraco.Web.PublishedCache.NuCache.Navigable
 
         private string XmlString(int index, object value)
         {
+            if (value == null) return string.Empty;
             var field = Type.FieldTypes[index];
             return field.XmlStringConverter == null ? value.ToString() : field.XmlStringConverter(value);
         }