diff --git a/pages/account/5.php b/pages/account/5.php
index 1ef6aad..d20060f 100644
--- a/pages/account/5.php
+++ b/pages/account/5.php
@@ -15,10 +15,11 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */ ?>
+<? $viewall=0; if(array_key_exists('viewall',$_REQUEST)) $viewall=intval($_REQUEST['viewall']); ?>
 <form method="post" action="account.php">
 <table align="center" valign="middle" border="0" cellspacing="0" cellpadding="0" class="wrapper">
   <tr>
-    <td colspan="6" class="title"><?=_("Client Certificates")?> - <a href="account.php?id=5&viewall=<?=intval(!$_GET['viewall'])?>"><?=_("View all certificates")?></a></td>
+    <td colspan="6" class="title"><?=_("Client Certificates")?> - <a href="account.php?id=5&viewall=<?=!$viewall?>"><?=_("View all certificates")?></a></td>
   </tr>
   <tr>
     <td class="DataTD"><?=_("Renew/Revoke/Delete")?></td>
@@ -41,10 +42,10 @@
 			from `emailcerts`
 			where `emailcerts`.`memid`='".$_SESSION['profile']['id']."'
 			";
-	if($_GET['viewall'] != 1)
+	if($viewall != 1)
 		$query .= " AND `revoked`=0 AND `renewed`=0 ";
 	$query .= " GROUP BY `emailcerts`.`id` ";
-	if($_GET['viewall'] != 1)
+	if($viewall != 1)
                 $query .= " HAVING `timeleft` > 0 ";
 	$query .= " ORDER BY `emailcerts`.`modified` desc";
 // echo $query."<br>\n";
@@ -93,7 +94,7 @@
 <? } ?>
   <tr>
     <td class="DataTD" colspan="8">
-      <a href="account.php?id=5&viewall=<?=intval(!$_GET['viewall'])?>"><b><?=$_GET['viewall']?_("Hide old certificates"):_("View all certificates")?></b></a>
+      <a href="account.php?id=5&viewall=<?=!viewall?>"><b><?=$viewall?_("Hide old certificates"):_("View all certificates")?></b></a>
     </td>
   </tr>