diff --git a/aws/resource_aws_elasticsearch_domain.go b/aws/resource_aws_elasticsearch_domain.go
index b323d9e368d..d7a5370d42c 100644
--- a/aws/resource_aws_elasticsearch_domain.go
+++ b/aws/resource_aws_elasticsearch_domain.go
@@ -140,7 +140,8 @@ func resourceAwsElasticSearchDomain() *schema.Resource {
 					Schema: map[string]*schema.Schema{
 						"enforce_https": {
 							Type:     schema.TypeBool,
-							Required: true,
+							Optional: true,
+							Default:  true,
 						},
 						"tls_security_policy": {
 							Type:     schema.TypeString,