diff --git a/src/Umbraco.Core/Persistence/Repositories/VersionableRepositoryBase.cs b/src/Umbraco.Core/Persistence/Repositories/VersionableRepositoryBase.cs
index 5cbe84f780..735b51829d 100644
--- a/src/Umbraco.Core/Persistence/Repositories/VersionableRepositoryBase.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/VersionableRepositoryBase.cs
@@ -703,6 +703,8 @@ ORDER BY contentNodeId, versionId, propertytypeid
                 // Members only
                 case "USERNAME":
                     return "cmsMember.LoginName";
+                case "CONTENTTYPEALIAS":
+                    return "cmsContentType.alias";
                 default:
                     //ensure invalid SQL cannot be submitted
                     return Regex.Replace(orderBy, @"[^\w\.,`\[\]@-]", "");