diff --git a/src/Umbraco.Core/Models/ContentTypeBase.cs b/src/Umbraco.Core/Models/ContentTypeBase.cs
index 6b01f5b27a..d44b132832 100644
--- a/src/Umbraco.Core/Models/ContentTypeBase.cs
+++ b/src/Umbraco.Core/Models/ContentTypeBase.cs
@@ -149,7 +149,7 @@ namespace Umbraco.Core.Models
             get { return _alias; }
             set
             {
-                _alias = value.ToUmbracoAlias(StringAliasCaseType.CamelCase, true);
+                _alias = value;
                 OnPropertyChanged(AliasSelector);
             }
         }