diff --git a/dispatchers/Html.php b/dispatchers/Html.php
index 9dd390f8..43394a63 100644
--- a/dispatchers/Html.php
+++ b/dispatchers/Html.php
@@ -73,7 +73,7 @@ public function action_footer() {
 	 * @return bool Should the authentication cookie be secure?
 	 */
 	public static function secure_cookie() {
-		return ( is_ssl() && ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) ) );
+		return ( is_ssl() && ( 'https' === wp_parse_url( home_url(), PHP_URL_SCHEME ) ) );
 	}
 
 	/**