diff --git a/boards/static/js/thread_update.js b/boards/static/js/thread_update.js
--- a/boards/static/js/thread_update.js
+++ b/boards/static/js/thread_update.js
@@ -119,7 +119,7 @@ function initAutoupdate() {
 }
 
 function getReplyCount() {
-    return $('.thread').children('.post').length - 1 
+    return $('.thread').children('.post').length
 }
 
 function getImageCount() {
diff --git a/boards/templates/boards/thread.html b/boards/templates/boards/thread.html
--- a/boards/templates/boards/thread.html
+++ b/boards/templates/boards/thread.html
@@ -95,7 +95,7 @@
     <form id="form" enctype="multipart/form-data" method="post"
             >{% csrf_token %}
         <div class="post-form-w">
-        <div class="form-title">{% trans "Reply to thread" %} #{{ posts.0.id }}</div>
+        <div class="form-title">{% trans "Reply to thread" %} #{{ thread.get_opening_post.id }}</div>
             <div class="post-form">
                 <div class="form-row">
                     <div class="form-label">{% trans 'Title' %}</div>