diff --git a/roles/aws/aws_rds/defaults/main.yml b/roles/aws/aws_rds/defaults/main.yml
index 0649b2478..392647906 100644
--- a/roles/aws/aws_rds/defaults/main.yml
+++ b/roles/aws/aws_rds/defaults/main.yml
@@ -17,7 +17,7 @@ aws_rds:
   aurora_suffix: blue # appended to cluster name to create a unique instance name for the first (initially write) instance.
   aurora_reader: false # If true, an Aurora reader instance will be created.
   aurora_reader_suffix: green # appended to cluster name to create unique instance name for the second (initially read-only) instance - must not match aurora_suffix.
-  db_cluster_identifier: "{{ aws_rds.name }}"
+  # db_cluster_identifier: example # Default is RDS name.
     # See parameter group docs: https://docs.ansible.com/ansible/latest/collections/community/aws/rds_param_group_module.html
   # db_parameter_group_name: "example" # Omit to use default.
   # db_parameter_group_description: "Custom parameter group" # Description of parameter group.
diff --git a/roles/aws/aws_rds/tasks/main.yml b/roles/aws/aws_rds/tasks/main.yml
index 3fdeb1772..bac008c02 100644
--- a/roles/aws/aws_rds/tasks/main.yml
+++ b/roles/aws/aws_rds/tasks/main.yml
@@ -27,7 +27,7 @@
   amazon.aws.rds_instance:
     db_instance_identifier: "{{ aws_rds.name }}-{{ aws_rds.aurora_suffix }}"
     db_instance_class: "{{ aws_rds.db_instance_class }}"
-    db_cluster_identifier: "{{ aws_rds.db_cluster_identifier }}"
+    db_cluster_identifier: "{{ aws_rds.db_cluster_identifier | default(aws_rds.name) }}"
     db_parameter_group_name: "{{ aws_rds.db_parameter_group_name | default(omit) }}"
     state: "{{ aws_rds.state }}"
     engine: "{{ aws_rds.engine }}"
@@ -46,7 +46,7 @@
 - name: Create Aurora RDS reader instance.
   amazon.aws.rds_instance:
     db_instance_identifier: "{{ aws_rds.name }}-{{ aws_rds.aurora_reader_suffix }}"
-    db_cluster_identifier: "{{ aws_rds.db_cluster_identifier }}"
+    db_cluster_identifier: "{{ aws_rds.db_cluster_identifier | default(aws_rds.name) }}"
     db_instance_class: "{{ aws_rds.db_instance_class }}"
     db_parameter_group_name: "{{ aws_rds.db_parameter_group_name | default(omit) }}"
     state: "{{ aws_rds.state }}"