diff --git a/boards/static/js/refpopup.js b/boards/static/js/refpopup.js
--- a/boards/static/js/refpopup.js
+++ b/boards/static/js/refpopup.js
@@ -57,7 +57,7 @@ function showPostPreview(e) {
     };
 
 
-    cln.innerHTML = gettext('Loading...');
+    cln.innerHTML = "<div class=\"post\">" + gettext('Loading...') + "</div>";
 
     //если пост найден в дереве.
     if($('div[id='+pNum+']').length > 0) {
@@ -72,7 +72,7 @@ function showPostPreview(e) {
     //ajax api
     else {
         $.ajax({
-            url: '/api/post/' + pNum + '/'
+            url: '/api/post/' + pNum + '/?truncated'
         })
             .success(function(data) {
                 // TODO get a json, not post itself
@@ -83,7 +83,8 @@ function showPostPreview(e) {
 
             })
             .error(function() {
-                cln.innerHTML = gettext('Post not found');
+                cln.innerHTML = "<div class=\"post\">"
+                    + gettext('Post not found') + "</div>";
             });
     }
 
diff --git a/boards/templates/boards/post.html b/boards/templates/boards/post.html
--- a/boards/templates/boards/post.html
+++ b/boards/templates/boards/post.html
@@ -39,7 +39,11 @@
         {% endif %}
     </div>
     {% autoescape off %}
-        {{ post.text.rendered }}
+        {% if truncated %}
+            {{ post.text.rendered|truncatewords_html:50 }}
+        {% else %}
+            {{ post.text.rendered }}
+        {% endif %}
     {% endautoescape %}
     {% if post.is_referenced %}
         <div class="refmap">
diff --git a/boards/views.py b/boards/views.py
--- a/boards/views.py
+++ b/boards/views.py
@@ -449,6 +449,8 @@ def get_post(request, post_id):
     context = RequestContext(request)
     context["post"] = post
     context["can_bump"] = thread.can_bump()
+    if "truncated" in request.GET:
+        context["truncated"] = True
 
     return render(request, 'boards/post.html', context)