diff --git a/contrib/templates/default/live.mustache b/contrib/templates/default/live.mustache
index eb2b2de..49aa880 100644
--- a/contrib/templates/default/live.mustache
+++ b/contrib/templates/default/live.mustache
@@ -20,7 +20,7 @@
     <script type="text/javascript" >
     var e = document.createElement("div");
     e.setAttribute("id", "chat");
-    e.setAttribute("style", "position:absolute;left:0;right:0;top:0;bottom:0;");
+    e.setAttribute("style", "position:absolute;left:0;right:0;top:0;bottom:0;width:100%;height:100%;");
     document.body.appendChild(e);
     var board = "live";
     if (location.hash != "" ) {