diff --git a/htdocs/website/class/websitepage.class.php b/htdocs/website/class/websitepage.class.php
index 32c8c0b8688..f22a5200148 100644
--- a/htdocs/website/class/websitepage.class.php
+++ b/htdocs/website/class/websitepage.class.php
@@ -426,7 +426,7 @@ class WebsitePage extends CommonObject
 						}
 						$listoflang[] = "'".$this->db->escape(substr(str_replace("'", '', $tmpvalue), 0, 2))."'";
 					}
-					$stringtouse = $key." IN (".$this->db->sanitize(join(',', $listoflang)).")";
+					$stringtouse = $key." IN (".$this->db->sanitize(join(',', $listoflang), 1).")";
 					if ($foundnull) {
 						$stringtouse = '('.$stringtouse.' OR '.$key.' IS NULL)';
 					}