diff --git a/core/admin/mailu/ui/templates/user/reply.html b/core/admin/mailu/ui/templates/user/reply.html
index 7225a178..1a161188 100644
--- a/core/admin/mailu/ui/templates/user/reply.html
+++ b/core/admin/mailu/ui/templates/user/reply.html
@@ -14,7 +14,7 @@
   {{ form.hidden_tag() }}
   {{ macros.form_field(form.reply_enabled,
       onchange="if(this.checked){$('#reply_subject,#reply_body,#reply_enddate,#reply_startdate').removeAttr('readonly')}
-                else{$('#reply_subject,#reply_body,#reply_enddate').attr('readonly', '')}") }}
+                else{$('#reply_subject,#reply_body,#reply_enddate,#reply_startdate').attr('readonly', '')}") }}
   {{ macros.form_field(form.reply_subject,
       **{("rw" if user.reply_enabled else "readonly"): ""}) }}
     {{ macros.form_field(form.reply_body, rows=10,