diff --git a/defaults/main.yml b/defaults/main.yml
index 33b7aa7..3dfb73b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -15,7 +15,7 @@ keycloak_use_external_db: True
 keycloak_db: 'postgresql'
 keycloak_db_module_name: 'org.{{ keycloak_db }}'
 keycloak_db_module_path: 'org/{{ keycloak_db }}'
-keycloak_db_class_name: '{{ keycloak_module_name }}.xa.PGXADataSource'
+keycloak_db_class_name: '{{ keycloak_db_module_name }}.xa.PGXADataSource'
 keycloak_jdbc_driver_version: '42.2.14'
 keycloak_jdbc_driver: 'postgresql-{{ keycloak_jdbc_driver_version }}.jar'
 keycloak_jdbc_driver_url: 'https://jdbc.postgresql.org/download/{{ keycloak_jdbc_driver }}'