--- modules/system/page.tpl.php	2010-11-05 02:25:33.000000000 +0100
+++ modules/system/page.tpl.php	2010-12-18 19:37:59.000000000 +0100
@@ -113,7 +113,9 @@
       <div id="breadcrumb"><?php print $breadcrumb; ?></div>
     <?php endif; ?>
 
-    <?php print $messages; ?>
+    <?php if ($messages): ?>
+      <div id="messages"><?php print $messages; ?></div>
+    <?php endif; ?>
 
     <div id="main-wrapper"><div id="main" class="clearfix">