From 3caecf516126570d73c4bd7c01a173b3b87c14e5 Mon Sep 17 00:00:00 2001
From: Claus <claus@umbraco.com>
Date: Thu, 7 Sep 2017 12:57:06 +0200
Subject: [PATCH] U4-10384 Error when changing content type on media item

---
 src/Umbraco.Core/Models/PropertyCollection.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Umbraco.Core/Models/PropertyCollection.cs b/src/Umbraco.Core/Models/PropertyCollection.cs
index 67a6914739..21c7bf5efc 100644
--- a/src/Umbraco.Core/Models/PropertyCollection.cs
+++ b/src/Umbraco.Core/Models/PropertyCollection.cs
@@ -95,6 +95,7 @@ namespace Umbraco.Core.Models
                         var property = this[key];
                         if (item.Value == null && property.Value != null)
                         {
+                            item.Id = property.Id;
                             item.Value = property.Value;
                         }