diff --git a/ses-domain/main.tf b/ses-domain/main.tf
index d24e968..a11377f 100644
--- a/ses-domain/main.tf
+++ b/ses-domain/main.tf
@@ -163,7 +163,7 @@ locals {
   ses_dns_ttl       = 600
   ses_dns_value     = aws_ses_domain_identity.this.verification_token
   ses_sns_topic     = format("%v-%v", var.ses_sns_topic_name, local.region)
-  ses_event_types   = [for x in var.ses_event_notification_types : x if contains(lookup(local._defaults["ses"]["event_types"], []), x)]
+  ses_event_types   = [for x in var.ses_event_notification_types : x if contains(lookup(local._defaults["ses"], "event_types", []), x)]
   enable_sns_events = var.enable_sns_events && length(local.ses_event_types) > 0
 
   ses_output = templatefile("${path.module}/ses_dns.md.tpl", {