diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Controllers/CommentController.cs b/src/Orchard.Web/Modules/Orchard.Comments/Controllers/CommentController.cs
index 38c4fec44..56ff22f49 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Controllers/CommentController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Controllers/CommentController.cs
@@ -35,19 +35,19 @@ namespace Orchard.Comments.Controllers {
             var editorShape = Services.ContentManager.UpdateEditor(comment, this);
 
 
-            if (!ModelState.IsValidField("Author")) {
+            if (!ModelState.IsValidField("Comments.Author")) {
                 Services.Notifier.Error(T("Name is mandatory and must have less than 255 chars"));
             }
 
-            if (!ModelState.IsValidField("Email")) {
+            if (!ModelState.IsValidField("Comments.Email")) {
                 Services.Notifier.Error(T("Email is invalid or is longer than 255 chars"));
             }
 
-            if (!ModelState.IsValidField("Site")) {
+            if (!ModelState.IsValidField("Comments.Site")) {
                 Services.Notifier.Error(T("Site url is invalid or is longer than 255 chars"));
             }
 
-            if (!ModelState.IsValidField("CommentText")) {
+            if (!ModelState.IsValidField("Comments.CommentText")) {
                 Services.Notifier.Error(T("Comment is mandatory"));
             }