diff --git a/htdocs/install/repair.php b/htdocs/install/repair.php
index ad3a3ca13a3..4aba1d10c4b 100644
--- a/htdocs/install/repair.php
+++ b/htdocs/install/repair.php
@@ -1178,9 +1178,9 @@ if ($ok && GETPOST('clean_perm_table', 'alpha')) {
 
 	$listofmods = '';
 	foreach ($conf->modules as $key => $val) {
-		$listofmods .= ($listofmods ? ',' : '')."'".$val."'";
+		$listofmods .= ($listofmods ? ',' : '')."'".$db->escape($val)."'";
 	}
-	$sql = 'SELECT id, libelle as label, module from '.MAIN_DB_PREFIX.'rights_def WHERE module NOT IN ('.$db->sanitize($listofmods).') AND id > 100000';
+	$sql = 'SELECT id, libelle as label, module from '.MAIN_DB_PREFIX.'rights_def WHERE module NOT IN ('.$db->sanitize($listofmods, 1).') AND id > 100000';
 	$resql = $db->query($sql);
 	if ($resql) {
 		$num = $db->num_rows($resql);