diff --git a/group_vars/aws_node_local.yml b/group_vars/aws_node_local.yml
index e618de4..ed82c17 100644
--- a/group_vars/aws_node_local.yml
+++ b/group_vars/aws_node_local.yml
@@ -65,7 +65,10 @@ atl_db_removeabandoned: "{{ lookup('env', 'ATL_DB_REMOVEABANDONED') or 'true' }}
 atl_db_removeabandonedtimeout: "{{ lookup('env', 'ATL_DB_REMOVEABANDONEDTIMEOUT') or '300' }}"
 atl_db_testwhileidle: "{{ lookup('env', 'ATL_DB_TESTWHILEIDLE') or 'true'}}"
 atl_db_testonborrow: "{{ lookup('env', 'ATL_DB_TESTONBORROW') or 'false' }}"
-atl_db_type: "{{ 'postgresaurora96' if atl_db_engine == 'aurora_postgres' else 'postgres72'}}"
+atl_db_engine_to_db_type_map:
+  aurora_postgres: "postgresaurora96"
+  rds_postgres: "postgres72"
+atl_db_type: "{{ atl_db_engine_to_db_type_map[atl_db_engine] | default('postgres72') }}"
 
 atl_jdbc_db_name: "{{ lookup('env', 'ATL_JDBC_DB_NAME') }}"
 atl_jdbc_user: "{{ lookup('env', 'ATL_JDBC_USER') }}"