diff --git a/modules/oci-ocne-autoscaling/main.tf b/modules/oci-ocne-autoscaling/main.tf
index 538e387..ce4e43f 100644
--- a/modules/oci-ocne-autoscaling/main.tf
+++ b/modules/oci-ocne-autoscaling/main.tf
@@ -93,7 +93,7 @@ resource "oci_core_instance_pool" "instance_pool" {
 
 resource "oci_load_balancer_listener" "listener" {
   depends_on               = [oci_core_instance_pool.instance_pool, oci_load_balancer_backend_set.lb_backend]
-  default_backend_set_name = oci_core_instance_pool.instance_pool.load_balancers[0].backend_set_name
+  default_backend_set_name = tolist(oci_core_instance_pool.instance_pool.load_balancers)[0].backend_set_name
   load_balancer_id         = local.lb_ocid
   name                     = "${var.prefix}-listener"
   port                     = var.load_balancer_port