diff --git a/usr/local/www/xmlrpc.php b/usr/local/www/xmlrpc.php
index 0041c5dd7c..f6d1a92295 100755
--- a/usr/local/www/xmlrpc.php
+++ b/usr/local/www/xmlrpc.php
@@ -125,6 +125,8 @@ function get_notices_xmlrpc($raw_params) {
 $carp_configure_doc = 'Basic XMLRPC wrapper for configuring carp interfaces.';
 $carp_configure_sig = array(array($XML_RPC_Boolean, $XML_RPC_String));
 function interfaces_carp_configure_xmlrpc($raw_params) {
+	$params = xmlrpc_params_to_php($raw_params);
+	if(!xmlrpc_auth($params)) return new XML_RPC_Response(new XML_RPC_Value("auth_failure", 'string'));
 	interfaces_carp_bringup();
 	interfaces_carp_configure();
 	return new XML_RPC_Response(new XML_RPC_Value(true, 'boolean'));
@@ -157,4 +159,4 @@ $server = new XML_RPC_Server(
 							'signature' => $get_notices_sig)
         )
 );
-?>
\ No newline at end of file
+?>