diff --git a/assets/js/working_plan_exceptions_modal.js b/assets/js/working_plan_exceptions_modal.js
index f1be7958..50ad992d 100644
--- a/assets/js/working_plan_exceptions_modal.js
+++ b/assets/js/working_plan_exceptions_modal.js
@@ -16,6 +16,7 @@ $(function () {
         $start.val('');
         $end.val('');
         $breaks.find('tbody').empty();
+        $('.working-plan-exceptions-add-break').prop('disabled', false);
     }
 
     function validate() {