diff --git a/src/Orchard.Web/Core/PublishLater/DataMigrations/PublishLaterDataMigration.cs b/src/Orchard.Web/Core/PublishLater/DataMigrations/PublishLaterDataMigration.cs
index ca81ce559..6179dffa1 100644
--- a/src/Orchard.Web/Core/PublishLater/DataMigrations/PublishLaterDataMigration.cs
+++ b/src/Orchard.Web/Core/PublishLater/DataMigrations/PublishLaterDataMigration.cs
@@ -2,6 +2,7 @@
 using Orchard.ContentManagement.Drivers;
 using Orchard.ContentManagement.MetaData;
 using Orchard.ContentManagement.MetaData.Builders;
+using Orchard.Core.Contents.Extensions;
 using Orchard.Core.PublishLater.Models;
 using Orchard.Data.Migration;
 
@@ -15,5 +16,9 @@ namespace Orchard.Core.PublishLater.DataMigrations {
                 }));
             return 1;
         }
+        public int UpdateFrom1() {
+            ContentDefinitionManager.AlterPartDefinition("PublishLaterPart", builder => builder.Attachable());
+            return 2;
+        }
     }
 }
\ No newline at end of file