diff --git a/hadoop/HDP/defaults/main.yml b/hadoop/HDP/defaults/main.yml
index 3296e4af..2235d208 100644
--- a/hadoop/HDP/defaults/main.yml
+++ b/hadoop/HDP/defaults/main.yml
@@ -5,5 +5,8 @@ hdp_ambari_repo_url: 'http://public-repo-1.hortonworks.com/ambari/ubuntu14/2.x/u
 hdp_ambari_repo_key: 'B9733A7A07513CAD'
 
 ambari_use_separate_postgres_db: False
+ambari_postgres_db_name: ambari
+ambari_postgres_db_user: ambari
+ambari_postgres_db_schema: ambari
 ambari_postgresql_version: 9.6
 postgresql_jdbc_driver_version: 42.1.4