diff --git a/GanjooRazor/Pages/Index.cshtml.cs b/GanjooRazor/Pages/Index.cshtml.cs
index a25a5c08..2d1edb72 100644
--- a/GanjooRazor/Pages/Index.cshtml.cs
+++ b/GanjooRazor/Pages/Index.cshtml.cs
@@ -178,7 +178,7 @@ namespace GanjooRazor.Pages
 
         public async Task<ActionResult> OnPostReply(string replyCommentText, int refPoemId, int refCommentId)
         {
-            return await OnPostComment(replyCommentText, refPoemId, refCommentId);
+            return await OnPostComment(replyCommentText, refPoemId, refCommentId, 0);
         }
 
         
@@ -189,8 +189,9 @@ namespace GanjooRazor.Pages
         /// <param name="comment"></param>
         /// <param name="poemId"></param>
         /// <param name="inReplytoId"></param>
+        /// <param name="coupletIndex"></param>
         /// <returns></returns>
-        public async Task<ActionResult> OnPostComment(string comment, int poemId, int inReplytoId)
+        public async Task<ActionResult> OnPostComment(string comment, int poemId, int inReplytoId, int coupletIndex)
         {
             using (HttpClient secureClient = new HttpClient())
             {
@@ -204,7 +205,8 @@ namespace GanjooRazor.Pages
                             {
                                 HtmlComment = comment,
                                 InReplyToId = inReplytoId == 0 ? null : inReplytoId,
-                                PoemId = poemId
+                                PoemId = poemId,
+                                CoupletIndex = coupletIndex == -1 ? null : coupletIndex
                             }
                         ),
                         Encoding.UTF8, "application/json");
diff --git a/GanjooRazor/Pages/_GanjoorPagePartial.cshtml b/GanjooRazor/Pages/_GanjoorPagePartial.cshtml
index c1cfaedd..d22fb98b 100644
--- a/GanjooRazor/Pages/_GanjoorPagePartial.cshtml
+++ b/GanjooRazor/Pages/_GanjoorPagePartial.cshtml
@@ -415,6 +415,7 @@
                                                         <textarea name="comment" id="comment" class="inputTextarea editor" tabindex="4" rows="10" style="width:100%"></textarea>
                                                     </div>
                                                     <input type="hidden" name="poemId" id="poemId" value="@Model.GanjoorPage.Id" />
+                                                    <input type="hidden" name="coupletIndex" value="-1" />
                                                 </td>
                                             </tr>
                                             <tr>
diff --git a/RMuseum/Models/Ganjoor/ViewModels/GanjoorCommentPostViewModel.cs b/RMuseum/Models/Ganjoor/ViewModels/GanjoorCommentPostViewModel.cs
index 12fa9e2f..35f82e01 100644
--- a/RMuseum/Models/Ganjoor/ViewModels/GanjoorCommentPostViewModel.cs
+++ b/RMuseum/Models/Ganjoor/ViewModels/GanjoorCommentPostViewModel.cs
@@ -19,5 +19,10 @@
         /// in reply to
         /// </summary>
         public int? InReplyToId { get; set; }
+
+        /// <summary>
+        /// couplet index - send null for unrelated to a couplet comment
+        /// </summary>
+        public int? CoupletIndex { get; set; }
     }
 }
diff --git a/RMuseum/RMuseum.xml b/RMuseum/RMuseum.xml
index 8a155dbe..b9a108e4 100644
--- a/RMuseum/RMuseum.xml
+++ b/RMuseum/RMuseum.xml
@@ -5449,6 +5449,11 @@
             in reply to
             </summary>
         </member>
+        <member name="P:RMuseum.Models.Ganjoor.ViewModels.GanjoorCommentPostViewModel.CoupletIndex">
+            <summary>
+            couplet index - send null for unrelated to a couplet comment
+            </summary>
+        </member>
         <member name="T:RMuseum.Models.Ganjoor.ViewModels.GanjoorCommentSummaryViewModel">
             <summary>
             GanjoorComment Summary View Model