diff --git a/src/Umbraco.Web/Models/Mapping/ContentPropertyModelMapper.cs b/src/Umbraco.Web/Models/Mapping/ContentPropertyModelMapper.cs
index f401832020..8343aecbd0 100644
--- a/src/Umbraco.Web/Models/Mapping/ContentPropertyModelMapper.cs
+++ b/src/Umbraco.Web/Models/Mapping/ContentPropertyModelMapper.cs
@@ -19,7 +19,9 @@ namespace Umbraco.Web.Models.Mapping
                 .ForMember(tab => tab.Label, expression => expression.MapFrom(@group => @group.Name))
                 .ForMember(tab => tab.IsActive, expression => expression.UseValue(true))
                 .ForMember(tab => tab.Properties, expression => expression.Ignore())
-                .ForMember(tab => tab.Alias, expression => expression.Ignore());
+                .ForMember(tab => tab.Alias, expression => expression.Ignore())
+                .ForMember(tab => tab.CssClass, expression => expression.Ignore())
+                .ForMember(tab => tab.Tooltip, expression => expression.Ignore());
 
             //FROM Property TO ContentPropertyBasic
             config.CreateMap<Property, ContentPropertyBasic>()