diff --git a/data/interfaces/default/newsletter_config.html b/data/interfaces/default/newsletter_config.html
index 388848df..b5fdbf1f 100644
--- a/data/interfaces/default/newsletter_config.html
+++ b/data/interfaces/default/newsletter_config.html
@@ -415,7 +415,9 @@
     if (${newsletter['config']['custom_cron']}) {
         $('#cron_value').val('${newsletter['cron']}');
     } else {
-        cron_widget.cron('value', '${newsletter['cron']}');
+        try {
+            cron_widget.cron('value', '${newsletter['cron']}');
+        } catch (e) {}
     }
 
     function toggleCustomCron() {