--- services_dhcp.php.sav	2010-01-04 07:10:57.000000000 -0500
+++ services_dhcp.php	2010-01-03 18:10:03.000000000 -0500
@@ -309,7 +309,8 @@
 
 		// Handle the custom options rowhelper
 		$numbervalue = array();
-		unset($config['dhcpd'][$if]['numberoptions']['item']);
+		if ( isset($config['dhcpd'][$if]['numberoptions']['item']))
+			unset($config['dhcpd'][$if]['numberoptions']['item']);
 		for($x=0; $x<isset($_POST["number{$x}"]); $x++) {
 			if(is_int(intval($_POST["number{$x}"]))) {
 				$numbervalue['number'] = htmlspecialchars($_POST["number{$x}"]);