diff --git a/content/schedule.html b/content/schedule.html
index cd243f44..540698af 100644
--- a/content/schedule.html
+++ b/content/schedule.html
@@ -226,7 +226,7 @@ <h3><a name="devrooms"></a>Developer rooms</h3>
     <div class="row-fluid">
         <% columns = [columns, devrooms.size].min %>
         <% devrooms.sort_by{|x| x[:rank]}.each_slice((devrooms.size.to_f / columns).ceil) do |list| %>
-        <div class="span<%= 9 / columns %>">
+        <div class="span<%= 12 / columns %>">
             <ul>
                 <% list.each do |t| %>
                 <li><%= l t, :name %></li>