diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/calendar.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/calendar.inc
index 38e16b8a09..715cb39815 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/calendar.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/calendar.inc
@@ -153,7 +153,7 @@
                 disable_buttons.push(2); /* Tomorrow */
             }
             if( $(this).data("flatpickr-pastdate") === true ) {
-                options['maxDate'] = new Date().fp_incr(-1);
+                options['maxDate'] = new Date().fp_incr(-1).setHours(23, 59, 00, 00);
                 disable_buttons.push(1); /* Today */
                 disable_buttons.push(2); /* Tomorrow */
             }