diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tt
index 53ea9e5d7e..4d903160ef 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tt
@@ -716,7 +716,7 @@ function PopupMARCFieldDoc(field) {
                 $("#check_errors").html( AreFieldsNotOk(false) );
                 $('html, body').animate({ scrollTop: 0 }, 'fast');
 
-                var r=confirm("Important fields(s) are not filled. Are you sure you want to save?");
+                var r=confirm(_("Important fields(s) are not filled. Are you sure you want to save?"));
                 if (! r){
                     return false;
                 }