diff --git a/12/index_xmpp.html b/12/index_xmpp.html
index 063631c..7dc6126 100644
--- a/12/index_xmpp.html
+++ b/12/index_xmpp.html
@@ -1,4 +1,6 @@
-<!-- <iframe id="iframe_chat06" src="https://xpub.lurk.org/" ></iframe> -->
+ <iframe id="iframe_chat06" src="https://xpub.lurk.org/" width=600 height=600></iframe>
 
+<!--
 <link rel="stylesheet" type="text/css" media="screen" href="https://cdn.conversejs.org/6.0.0/dist/converse.min.css">
 <script src="https://cdn.conversejs.org/6.0.0/dist/converse.min.js" charset="utf-8"></script>
+-->
\ No newline at end of file