diff --git a/resources/fieldsets/event.yaml b/resources/fieldsets/event.yaml
index 4057b7b..e76ced3 100644
--- a/resources/fieldsets/event.yaml
+++ b/resources/fieldsets/event.yaml
@@ -59,6 +59,7 @@ fields:
       options:
         days: Days
         weeks: Weeks
+        months: Months
         years: Years
       display: Period
       width: 50