diff --git a/src/Orchard.Web/Core/Navigation/Controllers/AdminController.cs b/src/Orchard.Web/Core/Navigation/Controllers/AdminController.cs
index 7ebd52c5c..6be061701 100644
--- a/src/Orchard.Web/Core/Navigation/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Core/Navigation/Controllers/AdminController.cs
@@ -65,9 +65,10 @@ namespace Orchard.Core.Navigation.Controllers {
                                          MenuItem = new UI.Navigation.MenuItem {
                                                                                    Text = menuPart.MenuText,
                                                                                    Position = menuPart.MenuPosition,
-                                                                                   Url = menuPart.As<MenuItem>().Url
+                                                                                   Url = menuPart.Is<MenuItem>() ? menuPart.As<MenuItem>().Url : "menu part url"
                                                                                },
-                                         MenuItemId = menuPart.Id
+                                         MenuItemId = menuPart.Id,
+                                         IsMenuItem = menuPart.Is<MenuItem>()
                                      };
         }
 
diff --git a/src/Orchard.Web/Core/Navigation/ViewModels/MenuItemEntry.cs b/src/Orchard.Web/Core/Navigation/ViewModels/MenuItemEntry.cs
index 94388a1e6..dd71b76fd 100644
--- a/src/Orchard.Web/Core/Navigation/ViewModels/MenuItemEntry.cs
+++ b/src/Orchard.Web/Core/Navigation/ViewModels/MenuItemEntry.cs
@@ -4,5 +4,6 @@ namespace Orchard.Core.Navigation.ViewModels {
     public class MenuItemEntry {
         public MenuItem MenuItem { get; set; }
         public int MenuItemId { get; set; }
+        public bool IsMenuItem { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Orchard.Web/Core/Navigation/Views/Admin/Index.ascx b/src/Orchard.Web/Core/Navigation/Views/Admin/Index.ascx
index 3765c67ea..d0df20472 100644
--- a/src/Orchard.Web/Core/Navigation/Views/Admin/Index.ascx
+++ b/src/Orchard.Web/Core/Navigation/Views/Admin/Index.ascx
@@ -26,7 +26,7 @@ using (Html.BeginFormAntiForgeryPost()) { %>
         <tr>
             <td><input type="text" name="<%=Html.NameOf(m => m.MenuItemEntries[i].MenuItem.Text) %>" value="<%=menuPartEntry.MenuItem.Text %>" /></td>
             <td><input type="text" name="<%=Html.NameOf(m => m.MenuItemEntries[i].MenuItem.Position) %>" value="<%=menuPartEntry.MenuItem.Position %>" /></td>
-            <td><input type="text" name="<%=Html.NameOf(m => m.MenuItemEntries[i].MenuItem.Url) %>" value="<%=menuPartEntry.MenuItem.Url %>" /></td>
+            <td><% if (!menuPartEntry.IsMenuItem) { %><input type="text" disabled="disabled" value="<%=menuPartEntry.MenuItem.Url %>" /><% } else { %><input type="text" name="<%=Html.NameOf(m => m.MenuItemEntries[i].MenuItem.Url) %>" value="<%=menuPartEntry.MenuItem.Url %>" /><% } %></td>
             <td><input type="hidden" name="<%=Html.NameOf(m => m.MenuItemEntries[i].MenuItemId) %>" value="<%=menuPartEntry.MenuItemId %>" /><a href="<%=Url.Action("Delete", new {id = menuPartEntry.MenuItemId, __RequestVerificationToken = Html.AntiForgeryTokenValueOrchard()}) %>" class="remove button">delete</a></td>
         </tr><%
         ++menuPartEntryIndex;