diff --git a/include/class-Breadcrumb.php b/include/class-Breadcrumb.php
index 8731ae5..2398b94 100644
--- a/include/class-Breadcrumb.php
+++ b/include/class-Breadcrumb.php
@@ -1,79 +1,79 @@
 <?php
 # Copyright (C) 2018, 2019 Valerio Bozzolan
 # Boz Libre Hosting Panel
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
 # published by the Free Software Foundation, either version 3 of the
 # License, or (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Affero General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 /**
  * Handle a breadcrumb with the related microdata
  *
  * @url https://schema.org/BreadcrumbList
  * @url https://developers.google.com/search/docs/data-types/breadcrumb
  */
 class Breadcrumb {
 
 	/**
 	 * Spawn the breadcrumb
 	 *
 	 * @param $uid string|null Starting menu uid
 	 * @param $title string|null Starting title
 	 * @param $parent_uid string|null Parent menu uid
 	 */
 	public static function spawn( $breadcrumbs ) {
 		?>
 			<ol itemscope itemtype="http://schema.org/BreadcrumbList" id="breadcrumb">
 				<?php $i = 0 ?>
 				<?php foreach( $breadcrumbs as $crumb ): ?>
 					<?= self::menuEntryLink( ++$i, $crumb ) ?>
 				<?php endforeach ?>
 			</ol>
 		<?php
 	}
 
 	/**
 	 * Spawn a link from a menu entry
 	 *
 	 * @param $i int
 	 * @param $entry MenuEntry
 	 * @return string
 	 */
 	public static function menuEntryLink( $i, $entry ) {
-		$url = $entry->url ? $entry->getURL() : null;
+		$url = isset( $entry->url ) ? $entry->getURL() : null;
 		return self::link( $i, $url, $entry->name );
 	}
 
 	/**
 	 * Get a link with microdata
 	 *
 	 * @param int $i
 	 * @param string $url
 	 * @param string $title
 	 * @return string
 	 */
 	public static function link( $i, $url, $title ) {
 		$s = '<li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">';
 		if( $url ) {
 			$s .= '<a itemprop="item" href="' . esc_attr( $url ) . '">';
 			$s .= '<span itemprop="name">' . esc_html( $title ) . '</span>';
 			$s .= '</a>';
 		} else {
 			$s .= '<span itemprop="name">' . esc_html( $title ) . '</span>';
 		}
 		$s .= '<meta itemprop="position" content="' . $i . '" />';
 		$s .= "</li>\n";
 
 		return $s;
 	}
 
 }