From dea1e9e5418094526557f0d76fa229e6a37fa4fe Mon Sep 17 00:00:00 2001
From: Sebastiaan Janssen <sebastiaan@umbraco.com>
Date: Tue, 19 Nov 2013 20:30:28 +0100
Subject: [PATCH] Whoops, my last fix was a bit too broad

---
 .../PublishedCache/XmlPublishedCache/PublishedMediaCache.cs   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Umbraco.Web/PublishedCache/XmlPublishedCache/PublishedMediaCache.cs b/src/Umbraco.Web/PublishedCache/XmlPublishedCache/PublishedMediaCache.cs
index 32130fe1e8..93e55a3705 100644
--- a/src/Umbraco.Web/PublishedCache/XmlPublishedCache/PublishedMediaCache.cs
+++ b/src/Umbraco.Web/PublishedCache/XmlPublishedCache/PublishedMediaCache.cs
@@ -540,8 +540,8 @@ namespace Umbraco.Web.PublishedCache.XmlPublishedCache
                     {
                         // use property type to ensure proper conversion
                         var propertyType = _contentType.GetPropertyType(i.Key);
-                        
-                        if (i.Key != "isDoc" && i.Key != "image")
+
+                        if (propertyType != null) 
                             property = new XmlPublishedProperty(propertyType, false, i.Value); // false :: never preview a media
                     }