diff --git a/module/project/js/common.js b/module/project/js/common.js
index e421cc6971..ba52e2af01 100644
--- a/module/project/js/common.js
+++ b/module/project/js/common.js
@@ -115,7 +115,7 @@ function computeEndDate(delta)
     {
         $('#end').val(longTime);
         $('#daysBox').addClass('hidden');
-        $('#days').val(0);
+        $('#days').val(0).trigger('mousedown');
         outOfDateTip();
         return false;
     }