diff --git a/app/views/event/attendances/_list.html.haml b/app/views/event/attendances/_list.html.haml
index 2358653d4..b5a565724 100644
--- a/app/views/event/attendances/_list.html.haml
+++ b/app/views/event/attendances/_list.html.haml
@@ -20,6 +20,7 @@
         = number_field_tag("bsv_days[#{p.id}]",
                            p.bsv_days || @event.bsv_days,
                            min: 0,
+                           max: p.bsv_days || @event.bsv_days,
                            step: 0.5,
                            size: 10,
                            class: 'form-control form-control-sm float-start w-25')