diff --git a/includes/account.php b/includes/account.php
index e752b96..5ab2523 100644
--- a/includes/account.php
+++ b/includes/account.php
@@ -542,7 +542,7 @@
 	{
 		$id = 9;
 		showheader(_("My CAcert.org Account!"));
-		if(is_array($_REQUEST['delid']))
+		if(array_key_exists('delid',$_REQUEST) && is_array($_REQUEST['delid']))
 		{
 			echo _("The following domains have been removed:")."<br>
 				("._("Any valid certificates will be revoked as well").")<br>\n";
@@ -846,7 +846,7 @@
 			echo _("You did not select any certificates for revocation.");
 		}
 
-		if(is_array($_REQUEST['delid']))
+		if(array_key_exists('delid',$_REQUEST) && is_array($_REQUEST['delid']))
 		{
 			echo _("Now deleting the following pending requests:")."<br>\n";
 			foreach($_REQUEST['delid'] as $id)
@@ -974,7 +974,7 @@
 			echo _("You did not select any certificates for revocation.");
 		}
 
-		if(is_array($_REQUEST['delid']))
+		if(array_key_exists('delid',$_REQUEST) && is_array($_REQUEST['delid']))
 		{
 			echo _("Now deleting the following pending requests:")."<br>\n";
 			foreach($_REQUEST['delid'] as $id)
@@ -1522,7 +1522,7 @@
 			echo _("You did not select any certificates for revocation.");
 		}
 
-		if(is_array($_REQUEST['delid']))
+		if(array_key_exists('delid',$_REQUEST) && is_array($_REQUEST['delid']))
 		{
 			echo _("Now deleting the following pending requests:")."<br>\n";
 			foreach($_REQUEST['delid'] as $id)
@@ -1808,7 +1808,7 @@
 			echo _("You did not select any certificates for revocation.");
 		}
 
-		if(is_array($_REQUEST['delid']))
+		if(array_key_exists('delid',$_REQUEST) && is_array($_REQUEST['delid']))
 		{
 			echo _("Now deleting the following pending requests:")."<br>\n";
 			foreach($_REQUEST['delid'] as $id)