diff --git a/app/Umbraco/Umbraco.Archetype/Models/ArchetypeModel.cs b/app/Umbraco/Umbraco.Archetype/Models/ArchetypeModel.cs
index 1587050..b057aee 100644
--- a/app/Umbraco/Umbraco.Archetype/Models/ArchetypeModel.cs
+++ b/app/Umbraco/Umbraco.Archetype/Models/ArchetypeModel.cs
@@ -31,7 +31,7 @@ namespace Archetype.Models
         internal string SerializeForPersistence()
         {
             var json = JObject.Parse(JsonConvert.SerializeObject(this));
-            var propertiesToRemove = new String[] { "propertyEditorAlias", "dataTypeId", "dataTypeGuid" };
+            var propertiesToRemove = new String[] { "propertyEditorAlias", "dataTypeId", "dataTypeGuid", "hostContentType" };
 
             json.Descendants().OfType<JProperty>()
               .Where(p => propertiesToRemove.Contains(p.Name))