From 8882e6b5745cddd0c0d3a964e6feb978806355d5 Mon Sep 17 00:00:00 2001
From: Arthur Suzuki <arthur.suzuki@biblibre.com>
Date: Mon, 21 Nov 2022 10:57:01 +0100
Subject: [PATCH] Revert Bug 31364

---
 koha-tmpl/intranet-tmpl/prog/js/pages/preferences.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/koha-tmpl/intranet-tmpl/prog/js/pages/preferences.js b/koha-tmpl/intranet-tmpl/prog/js/pages/preferences.js
index 1cc4660a4e..e7d8dad01a 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/pages/preferences.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/pages/preferences.js
@@ -13,7 +13,7 @@ KOHA.Preferences = {
         // If a multiple select has all its entries unselected
         var unserialized = new Array();
         $(modified_prefs).each(function(){
-            if ( $(this).attr('multiple') && $(this).val().length == 0 ) {
+            if ( $(this).attr('multiple') && $(this).val() == null ) {
                 unserialized.push($(this));
             }
         });
-- 
2.39.2