diff --git a/roles/external-postgres/defaults/main.yml b/roles/external-postgres/defaults/main.yml
index 8be8f28..1c137c4 100644
--- a/roles/external-postgres/defaults/main.yml
+++ b/roles/external-postgres/defaults/main.yml
@@ -2,7 +2,7 @@
 use_jdbc: True
 postgres_host: "postgresql-srv.d4science.org"
 conductor_db: "postgres" 
-jdbc_user: "conductor_u"
-jdbc_db: "conductor"
-jdbc_url: "jdbc:postgresql://{{ postgres_host }}:5432/{{ jdbc_db }}"
+postgres_jdbc_user: "conductor_u"
+postgres_jdbc_db: "conductor"
+postgres_jdbc_url: "jdbc:postgresql://{{ postgres_host }}:5432/{{ jdbc_db }}"