diff --git a/blog.py b/blog.py
index 1ab9a0f..9b20878 100644
--- a/blog.py
+++ b/blog.py
@@ -340,7 +340,8 @@ def render(self, entry, show_comments=False):
 
     def javascript_files(self):
         if self.show_comments:
-            return ["http://connect.facebook.net/en_US/all.js#xfbml=1"]
+            return ["http://connect.facebook.net/en_US/all.js#appId=" +
+              self.handler.application.settings["fb_app_id"] + "&xfbml=1"]
         return None
 
 
diff --git a/templates/modules/entry.html b/templates/modules/entry.html
index 823d0e1..428b373 100644
--- a/templates/modules/entry.html
+++ b/templates/modules/entry.html
@@ -21,6 +21,7 @@ <h1><a href="/{{ entry.slug }}">{{ escape(entry.title) }}</a></h1>
   {% end %}
   <div class="comments" id="comments">
     {% if show_comments %}
+      <div id="fb-root"></div>
       <fb:comments href="{{ 'http://' + request.host + '/' + entry.slug }}"></fb:comments>
     {% else %}
       <a href="/{{ entry.slug }}#comments">{{ _("Comments") }}</a>