diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Models/CommentRecord.cs b/src/Orchard.Web/Modules/Orchard.Comments/Models/CommentRecord.cs
index b5e12715d..c1d18ad41 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Models/CommentRecord.cs
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Models/CommentRecord.cs
@@ -8,7 +8,7 @@ namespace Orchard.Comments.Models {
         public virtual string UserName { get; set; }
         public virtual string Email { get; set; }
         public virtual CommentStatus Status { get; set; }
-        public virtual DateTime CommentDateUtc { get; set; }
+        public virtual DateTime? CommentDateUtc { get; set; }
         public virtual string CommentText { get; set; }
         public virtual int CommentedOn { get; set; }
         public virtual int CommentedOnContainer { get; set; }
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Details.aspx b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Details.aspx
index 7ffc677f9..d2d609e14 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Details.aspx
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Details.aspx
@@ -83,7 +83,7 @@
                     <%=Html.Encode(commentEntry.Comment.CommentText.Length > 23 ? commentEntry.Comment.CommentText.Substring(0, 24) : commentEntry.Comment.CommentText) %><%=_Encoded(" ...") %>
                 <% } %> 
                 </td>
-                <td><%=commentEntry.Comment.CommentDateUtc.ToLocalTime() %></td>
+                <td><%=commentEntry.Comment.CommentDateUtc.GetValueOrDefault().ToLocalTime()) %></td>
                 <td>
                     <ul class="actions">
                         <li class="construct">
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.aspx b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.aspx
index 967267e84..f6dcd4314 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.aspx
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.aspx
@@ -67,7 +67,7 @@
                     <%=Html.Encode(commentEntry.Comment.CommentText.Length > 23 ? commentEntry.Comment.CommentText.Substring(0, 24) : commentEntry.Comment.CommentText) %><%=_Encoded(" ...") %>
                 <% } %> 
                 </td>
-                <td><%=commentEntry.Comment.CommentDateUtc.ToLocalTime() %></td>
+                <td><%=commentEntry.Comment.CommentDateUtc.GetValueOrDefault().ToLocalTime()) %></td>
                 <td><%=Html.ActionLink(commentEntry.CommentedOn, "Details", new { id = commentEntry.Comment.CommentedOn }) %></td>
                 <td>
                     <ul class="actions">
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.ascx b/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.ascx
index d60142fe4..10fca431e 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.ascx
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.ascx
@@ -6,7 +6,7 @@ foreach (var comment in Model) { %>
         <div class="comment">
             <span class="who"><%=Html.LinkOrDefault(Html.Encode(comment.Record.UserName), Html.Encode(comment.Record.SiteName), new { rel = "nofollow" })%></span>
             <%-- todo: (heskew) need comment permalink --%>
-            <span>said <%=Html.Link(Html.DateTimeRelative(comment.Record.CommentDateUtc), "#")%></span>
+            <span>said <%=Html.Link(Html.DateTimeRelative(comment.Record.CommentDateUtc.GetValueOrDefault()), "#")%></span>
         </div>
         <div class="text">
             <%-- todo: (heskew) comment text needs processing depending on comment markup style --%>
diff --git a/src/Orchard.Web/Themes/Green/Views/ListOfComments.ascx b/src/Orchard.Web/Themes/Green/Views/ListOfComments.ascx
index 20dfcca3c..a427c5f79 100644
--- a/src/Orchard.Web/Themes/Green/Views/ListOfComments.ascx
+++ b/src/Orchard.Web/Themes/Green/Views/ListOfComments.ascx
@@ -9,7 +9,7 @@ foreach (var comment in Model) { %>
 </div>
         
 <div class="commentauthor">
-<span class="who"><%=Html.LinkOrDefault(Html.Encode(comment.Record.UserName), Html.Encode(comment.Record.SiteName), new { rel = "nofollow" })%></span>&nbsp;<span>said <%=Html.Link(Html.DateTimeRelative(comment.Record.CommentDateUtc), "#")%></span>
+<span class="who"><%=Html.LinkOrDefault(Html.Encode(comment.Record.UserName), Html.Encode(comment.Record.SiteName), new { rel = "nofollow" })%></span>&nbsp;<span>said <%=Html.Link(Html.DateTimeRelative(comment.Record.CommentDateUtc.GetValueOrDefault()), "#")%></span>
 </div>       
         
     </li><%